src\MyApplication\app\src\main\java\com\example\administrator\myapplication\widget\HTQDragGridView.java
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package com.example.administrator.myapplication.widget;
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import android.content.Context;
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import android.content.res.TypedArray;
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import android.graphics.Bitmap;
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import android.graphics.BitmapShader;
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import android.graphics.Canvas;
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import android.graphics.Color;
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import android.graphics.Matrix;
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import android.graphics.Paint;
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import android.graphics.RectF;
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import android.graphics.Shader;
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import android.graphics.drawable.BitmapDrawable;
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import android.graphics.drawable.ColorDrawable;
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import android.graphics.drawable.Drawable;
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import android.util.AttributeSet;
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import android.widget.ImageView;
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import com.example.administrator.myapplication.R;
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/**
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* 圆形ImageView组件
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*
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*/
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public class CircleImageView extends ImageView {
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private static final ScaleType SCALE_TYPE = ScaleType.CENTER_CROP;
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private static final Bitmap.Config BITMAP_CONFIG = Bitmap.Config.ARGB_8888;
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private static final int COLORDRAWABLE_DIMENSION = 1;
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private static final int DEFAULT_BORDER_WIDTH = 0;
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private static final int DEFAULT_BORDER_COLOR = Color.BLACK;
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private final RectF mDrawableRect = new RectF();
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private final RectF mBorderRect = new RectF();
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private final Matrix mShaderMatrix = new Matrix();
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private final Paint mBitmapPaint = new Paint();
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private final Paint mBorderPaint = new Paint();
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private int mBorderColor = DEFAULT_BORDER_COLOR;
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private int mBorderWidth = DEFAULT_BORDER_WIDTH;
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private Bitmap mBitmap;
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private BitmapShader mBitmapShader;
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private int mBitmapWidth;
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private int mBitmapHeight;
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private float mDrawableRadius;
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private float mBorderRadius;
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private boolean mReady;
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private boolean mSetupPending;
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//默认显示圆形
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private boolean isDisplayCircle = true;
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public CircleImageView(Context context) {
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this(context, null);
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}
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public CircleImageView(Context context, AttributeSet attrs) {
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this(context, attrs, 0);
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}
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public CircleImageView(Context context, AttributeSet attrs, int defStyle) {
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super(context, attrs, defStyle);
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super.setScaleType(SCALE_TYPE);
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TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.CircleImageView, defStyle, 0);
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mBorderWidth = a.getDimensionPixelSize(R.styleable.CircleImageView_border_width, DEFAULT_BORDER_WIDTH);
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mBorderColor = a.getColor(R.styleable.CircleImageView_border_color, DEFAULT_BORDER_COLOR);
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a.recycle();
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mReady = true;
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if (mSetupPending) {
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setup();
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mSetupPending = false;
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}
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}
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@Override
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public ScaleType getScaleType() {
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return SCALE_TYPE;
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}
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@Override
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public void setScaleType(ScaleType scaleType) {
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if (scaleType != SCALE_TYPE) {
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throw new IllegalArgumentException(String.format("ScaleType %s not supported.", scaleType));
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}
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}
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@Override
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protected void onDraw(Canvas canvas) {
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if(!isDisplayCircle) {
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super.onDraw(canvas);
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return;
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}
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if (getDrawable() == null) {
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return;
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}
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canvas.drawCircle(getWidth() / 2, getHeight() / 2, mDrawableRadius, mBitmapPaint);
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if(mBorderWidth != 0){
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canvas.drawCircle(getWidth() / 2, getHeight() / 2, mBorderRadius, mBorderPaint);
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}
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}
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@Override
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protected void onSizeChanged(int w, int h, int oldw, int oldh) {
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super.onSizeChanged(w, h, oldw, oldh);
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setup();
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}
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public void setDisplayCircle(boolean isDisplayCircle) {
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this.isDisplayCircle = isDisplayCircle;
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}
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public int getBorderColor() {
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return mBorderColor;
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}
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public void setBorderColor(int borderColor) {
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if (borderColor == mBorderColor) {
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return;
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}
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mBorderColor = borderColor;
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mBorderPaint.setColor(mBorderColor);
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invalidate();
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}
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public int getBorderWidth() {
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return mBorderWidth;
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}
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public void setBorderWidth(int borderWidth) {
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if (borderWidth == mBorderWidth) {
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return;
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}
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mBorderWidth = borderWidth;
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setup();
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}
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@Override
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public void setImageBitmap(Bitmap bm) {
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super.setImageBitmap(bm);
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mBitmap = bm;
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setup();
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}
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@Override
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public void setImageDrawable(Drawable drawable) {
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super.setImageDrawable(drawable);
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mBitmap = getBitmapFromDrawable(drawable);
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setup();
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}
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@Override
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public void setImageResource(int resId) {
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super.setImageResource(resId);
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mBitmap = getBitmapFromDrawable(getDrawable());
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setup();
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}
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private Bitmap getBitmapFromDrawable(Drawable drawable) {
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if (drawable == null) {
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return null;
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}
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if (drawable instanceof BitmapDrawable) {
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return ((BitmapDrawable) drawable).getBitmap();
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}
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try {
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Bitmap bitmap;
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if (drawable instanceof ColorDrawable) {
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bitmap = Bitmap.createBitmap(COLORDRAWABLE_DIMENSION, COLORDRAWABLE_DIMENSION, BITMAP_CONFIG);
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} else {
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bitmap = Bitmap.createBitmap(drawable.getIntrinsicWidth(), drawable.getIntrinsicHeight(), BITMAP_CONFIG);
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}
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Canvas canvas = new Canvas(bitmap);
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drawable.setBounds(0, 0, canvas.getWidth(), canvas.getHeight());
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drawable.draw(canvas);
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return bitmap;
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} catch (OutOfMemoryError e) {
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return null;
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}
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}
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private void setup() {
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if (!mReady) {
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mSetupPending = true;
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return;
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}
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if (mBitmap == null) {
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return;
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}
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mBitmapShader = new BitmapShader(mBitmap, Shader.TileMode.CLAMP, Shader.TileMode.CLAMP);
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mBitmapPaint.setAntiAlias(true);
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mBitmapPaint.setShader(mBitmapShader);
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mBorderPaint.setStyle(Paint.Style.STROKE);
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mBorderPaint.setAntiAlias(true);
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mBorderPaint.setColor(mBorderColor);
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mBorderPaint.setStrokeWidth(mBorderWidth);
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mBitmapHeight = mBitmap.getHeight();
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mBitmapWidth = mBitmap.getWidth();
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mBorderRect.set(0, 0, getWidth(), getHeight());
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mBorderRadius = Math.min((mBorderRect.height() - mBorderWidth) / 2, (mBorderRect.width() - mBorderWidth) / 2);
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mDrawableRect.set(mBorderWidth, mBorderWidth, mBorderRect.width() - mBorderWidth, mBorderRect.height() - mBorderWidth);
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mDrawableRadius = Math.min(mDrawableRect.height() / 2, mDrawableRect.width() / 2);
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updateShaderMatrix();
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invalidate();
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}
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private void updateShaderMatrix() {
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float scale;
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float dx = 0;
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float dy = 0;
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mShaderMatrix.set(null);
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if (mBitmapWidth * mDrawableRect.height() > mDrawableRect.width() * mBitmapHeight) {
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scale = mDrawableRect.height() / (float) mBitmapHeight;
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dx = (mDrawableRect.width() - mBitmapWidth * scale) * 0.5f;
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} else {
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scale = mDrawableRect.width() / (float) mBitmapWidth;
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dy = (mDrawableRect.height() - mBitmapHeight * scale) * 0.5f;
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}
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mShaderMatrix.setScale(scale, scale);
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mShaderMatrix.postTranslate((int) (dx + 0.5f) + mBorderWidth, (int) (dy + 0.5f) + mBorderWidth);
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mBitmapShader.setLocalMatrix(mShaderMatrix);
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}
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}
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package com.example.administrator.myapplication.widget;
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import android.animation.Animator;
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import android.animation.AnimatorListenerAdapter;
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import android.animation.AnimatorSet;
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import android.animation.ObjectAnimator;
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import android.app.Activity;
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import android.content.Context;
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import android.graphics.Bitmap;
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import android.graphics.Canvas;
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import android.graphics.PixelFormat;
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import android.graphics.Rect;
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import android.os.Handler;
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import android.os.Vibrator;
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import android.util.AttributeSet;
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import android.view.Gravity;
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import android.view.MotionEvent;
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import android.view.View;
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import android.view.ViewTreeObserver;
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import android.view.ViewTreeObserver.OnPreDrawListener;
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import android.view.WindowManager;
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import android.view.animation.AccelerateDecelerateInterpolator;
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import android.widget.AdapterView;
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import android.widget.GridView;
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import android.widget.ImageView;
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import android.widget.ListAdapter;
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import java.util.LinkedList;
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import java.util.List;
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/**
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* 感谢这篇博客的作者，http://blog.csdn.net/xiaanming/article/details/17718579<br>
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* 在这个基础上解决了原作者的问题:Adapter无法使用ViewHolder优化的问题，优化了手势识别率，并添加了trashView功能，
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* 优化自定义控件对外扩展性，解决在上下拉环境下手势冲突问题<br>
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*
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*
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*/
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public class HTQDragGridView extends GridView {
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private long dragResponseMS = 700; // item长按响应的时间
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private int mDragPosition;// 正在拖拽的position
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private boolean isDrag = false; // 是否可以拖拽，用于控件内部逻辑实现
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private boolean canDrag = true; // 是否可用拖拽，主要用于外部开放设置
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private boolean mAnimationEnd = true;
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private int mDownX;
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private int mDownY;
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private int moveX;
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private int moveY;
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private View mStartDragItemView = null; // 刚开始拖拽的item对应的View
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private ImageView mDragImageView; // 用于拖拽时显示的幻影镜像
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private Bitmap mDragBitmap; // 幻影镜像对应的Bitmap
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private View mTrashView; // 删除item的垃圾桶图标
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private final Vibrator mVibrator; // 震动器
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private final int mStatusHeight;// 状态栏的高度
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private final WindowManager mWindowManager;
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private WindowManager.LayoutParams mWindowLayoutParams; // item镜像的布局参数
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private int mPoint2ItemTop; // 按下的点到所在item的上边缘的距离
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private int mPoint2ItemLeft;
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private int mOffset2Top; // DragGridView距离屏幕顶部的偏移量
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private int mOffset2Left;
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private int mDownScrollBorder; // DragGridView自动向下滚动的边界值
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private int mUpScrollBorder; // DragGridView自动向上滚动的边界值
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private DragGridBaseAdapter mDragAdapter;
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private int mNumColumns;
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private int mColumnWidth;
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private boolean mNumColumnsSet;
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private int mHorizontalSpacing;
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private static final int speed = 20; // DragGridView自动滚动的速度
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private static final int MOVE_OFFSET = 25;
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private boolean moved = false;
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public static final int HANDLE_START = 0x3587;
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public static final int HANDLE_CANCLE = 0x3588;
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public static final int HANDLE_FINISH = 0x3589;
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private static OnMoveListener moveListener; // 拖拽开始与结束监听器
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private OnDeleteListener deleteListener; // 移动到垃圾桶时的监听器
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private final TouchRect moveRect = new TouchRect();
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private final TouchRect gridRect = new TouchRect();
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private final TouchRect trashRect = new TouchRect();
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public HTQDragGridView(Context context) {
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this(context, null);
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}
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public HTQDragGridView(Context context, AttributeSet attrs) {
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this(context, attrs, 0);
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}
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public HTQDragGridView(Context context, AttributeSet attrs, int defStyle) {
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super(context, attrs, defStyle);
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mVibrator = (Vibrator) context
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.getSystemService(Context.VIBRATOR_SERVICE);
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mWindowManager = (WindowManager) context
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.getSystemService(Context.WINDOW_SERVICE);
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mStatusHeight = getStatusHeight(context); // 获取状态栏的高度
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if (!mNumColumnsSet) {
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mNumColumns = AUTO_FIT;
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}
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}
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/**
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* 获取状态栏的高度
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*
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* @param context
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* @return
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*/
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private static int getStatusHeight(Context context) {
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int statusHeight = 0;
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Rect localRect = new Rect();
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((Activity) context).getWindow().getDecorView()
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.getWindowVisibleDisplayFrame(localRect);
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statusHeight = localRect.top;
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if (0 == statusHeight) {
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Class<?> localClass;
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try {
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localClass = Class.forName("com.android.internal.R$dimen");
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Object localObject = localClass.newInstance();
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int i5 = Integer.parseInt(localClass
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.getField("status_bar_height").get(localObject)
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.toString());
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statusHeight = context.getResources().getDimensionPixelSize(i5);
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} catch (Exception e) {
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e.printStackTrace();
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}
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}
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return statusHeight;
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}
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private static final Handler mHandler = new Handler() {
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@Override
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public void handleMessage(android.os.Message msg) {
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if (moveListener != null) {
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if (msg.what == HANDLE_START) {
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moveListener.startMove();
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} else if (msg.what == HANDLE_FINISH) {
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moveListener.finishMove();
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} else if (msg.what == HANDLE_CANCLE) {
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moveListener.cancleMove();
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}
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}
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};
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};
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// 用来处理是否为长按的Runnable
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private final Runnable mLongClickRunnable = new Runnable() {
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@Override
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public void run() {
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if (!canDrag) {
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return;
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}
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isDrag = true; // 设置可以拖拽
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moved = true;
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mHandler.sendEmptyMessage(HANDLE_START);
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mVibrator.vibrate(50); // 震动一下
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mStartDragItemView.setVisibility(View.INVISIBLE);// 隐藏该item
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createDragImage(mDragBitmap, mDownX, mDownY);
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mDragBitmap = null;
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}
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};
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/**
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* 若设置为AUTO_FIT，计算有多少列
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*/
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@Override
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protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
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if (mNumColumns == AUTO_FIT) {
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int numFittedColumns = 1; // 可用列
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if (mColumnWidth > 0) {
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int gridWidth = Math.max(MeasureSpec.getSize(widthMeasureSpec)
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- getPaddingLeft() - getPaddingRight(), 0);
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numFittedColumns = gridWidth / mColumnWidth;
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if (numFittedColumns > 0) {
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while (numFittedColumns != 1) {
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if (numFittedColumns * mColumnWidth
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+ (numFittedColumns - 1) * mHorizontalSpacing > gridWidth) {
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numFittedColumns--;
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} else {
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break;
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}
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}
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}
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} else {
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numFittedColumns = 2;
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}
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mNumColumns = numFittedColumns;
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}
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super.onMeasure(widthMeasureSpec, heightMeasureSpec);
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}
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@Override
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protected void onDraw(Canvas canvas) {
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super.onDraw(canvas);
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initRecord();
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}
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/**
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* 初始化坐标数据
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*/
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private void initRecord() {
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gridRect.left = this.getLeft();
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gridRect.right = this.getRight();
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gridRect.top = this.getTop();
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gridRect.bottom = this.getBottom();
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if (mTrashView != null) {
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trashRect.left = mTrashView.getLeft();
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trashRect.right = mTrashView.getRight();
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trashRect.bottom = mTrashView.getBottom();
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trashRect.top = mTrashView.getTop();
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}
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}
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/******************** preference method ********************/
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@Override
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public void setAdapter(ListAdapter adapter) {
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super.setAdapter(adapter);
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if (adapter instanceof DragGridBaseAdapter) {
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mDragAdapter = (DragGridBaseAdapter) adapter;
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} else {
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throw new IllegalStateException(
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"the adapter must be implements DragGridAdapter");
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}
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}
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@Override
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public void setNumColumns(int numColumns) {
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super.setNumColumns(numColumns);
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mNumColumnsSet = true;
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this.mNumColumns = numColumns;
|
||||
}
|
||||
|
||||
@Override
|
||||
public void setColumnWidth(int columnWidth) {
|
||||
super.setColumnWidth(columnWidth);
|
||||
mColumnWidth = columnWidth;
|
||||
}
|
||||
|
||||
@Override
|
||||
public void setHorizontalSpacing(int horizontalSpacing) {
|
||||
super.setHorizontalSpacing(horizontalSpacing);
|
||||
this.mHorizontalSpacing = horizontalSpacing;
|
||||
}
|
||||
|
||||
/**
|
||||
* 设置响应拖拽的毫秒数，默认是700毫秒
|
||||
*
|
||||
* @param dragResponseMS
|
||||
*/
|
||||
public void setDragResponseMS(long dragResponseMS) {
|
||||
this.dragResponseMS = dragResponseMS;
|
||||
}
|
||||
|
||||
public void setOnDeleteListener(OnDeleteListener l) {
|
||||
this.deleteListener = l;
|
||||
}
|
||||
|
||||
public void setTrashView(View trashView) {
|
||||
this.mTrashView = trashView;
|
||||
}
|
||||
|
||||
public void setDragEnable(boolean isDrag) {
|
||||
this.canDrag = isDrag;
|
||||
if (canDrag) {
|
||||
mHandler.removeCallbacks(mLongClickRunnable);
|
||||
}
|
||||
}
|
||||
|
||||
/******************** touch method ********************/
|
||||
|
||||
@Override
|
||||
public boolean dispatchTouchEvent(MotionEvent ev) {
|
||||
if (canDrag) {
|
||||
switch (ev.getAction()) {
|
||||
case MotionEvent.ACTION_DOWN:
|
||||
mDownX = (int) ev.getX();
|
||||
mDownY = (int) ev.getY();
|
||||
moveRect.left = mDownX - MOVE_OFFSET;
|
||||
moveRect.right = mDownX + MOVE_OFFSET;
|
||||
moveRect.top = mDownY - MOVE_OFFSET;
|
||||
moveRect.bottom = mDownY + MOVE_OFFSET;
|
||||
|
||||
// 根据按下的X,Y坐标获取所点击item的position
|
||||
mDragPosition = pointToPosition(mDownX, mDownY);
|
||||
|
||||
if (mDragPosition == AdapterView.INVALID_POSITION) {
|
||||
return super.dispatchTouchEvent(ev);
|
||||
}
|
||||
|
||||
// 使用Handler延迟dragResponseMS执行mLongClickRunnable
|
||||
mHandler.postDelayed(mLongClickRunnable, dragResponseMS);
|
||||
|
||||
// 根据position获取该item所对应的View
|
||||
mStartDragItemView = getChildAt(mDragPosition
|
||||
- getFirstVisiblePosition());
|
||||
|
||||
mPoint2ItemTop = mDownY - mStartDragItemView.getTop();
|
||||
mPoint2ItemLeft = mDownX - mStartDragItemView.getLeft();
|
||||
|
||||
mOffset2Top = (int) (ev.getRawY() - mDownY);
|
||||
mOffset2Left = (int) (ev.getRawX() - mDownX);
|
||||
|
||||
// 获取DragGridView自动向上滚动的偏移量，小于这个值，DragGridView向下滚动
|
||||
mDownScrollBorder = getHeight() / 5;
|
||||
// 大于这个值，DragGridView向上滚动
|
||||
mUpScrollBorder = getHeight() * 4 / 5;
|
||||
|
||||
// 开启mDragItemView绘图缓存
|
||||
mStartDragItemView.setDrawingCacheEnabled(true);
|
||||
// 获取mDragItemView在缓存中的Bitmap对象
|
||||
mDragBitmap = Bitmap.createBitmap(mStartDragItemView
|
||||
.getDrawingCache());
|
||||
// 这一步很关键，释放绘图缓存，避免出现重复的镜像
|
||||
mStartDragItemView.destroyDrawingCache();
|
||||
break;
|
||||
case MotionEvent.ACTION_MOVE:
|
||||
// 如果我们在按下的item上面移动，只要不超过item的边界我们就不移除mRunnable
|
||||
if (!isTouchInItem(moveRect, ev.getX(), ev.getY())) {
|
||||
mHandler.removeCallbacks(mLongClickRunnable);
|
||||
}
|
||||
break;
|
||||
case MotionEvent.ACTION_UP:
|
||||
mHandler.removeCallbacks(mScrollRunnable);
|
||||
mHandler.removeCallbacks(mLongClickRunnable);
|
||||
if (moved && getAdapter().getCount() > 0) {
|
||||
mHandler.sendEmptyMessage(HANDLE_FINISH);
|
||||
} else {
|
||||
mHandler.sendEmptyMessage(HANDLE_CANCLE);
|
||||
}
|
||||
moved = false;
|
||||
break;
|
||||
}
|
||||
}
|
||||
return super.dispatchTouchEvent(ev);
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean onTouchEvent(MotionEvent ev) {
|
||||
if (isDrag && canDrag && mDragImageView != null) {
|
||||
switch (ev.getAction()) {
|
||||
case MotionEvent.ACTION_DOWN:
|
||||
initRecord();
|
||||
break;
|
||||
case MotionEvent.ACTION_MOVE:
|
||||
moveX = (int) ev.getX();
|
||||
moveY = (int) ev.getY();
|
||||
|
||||
onDragItem(moveX, moveY);// 拖动item
|
||||
|
||||
if (mTrashView != null) {
|
||||
if (inTrash(moveX, moveY)) {
|
||||
mTrashView.setScaleX(1.7f);
|
||||
mTrashView.setScaleY(1.7f);
|
||||
} else {
|
||||
mTrashView.setScaleX(1f);
|
||||
mTrashView.setScaleY(1f);
|
||||
}
|
||||
}
|
||||
break;
|
||||
case MotionEvent.ACTION_UP:
|
||||
onStopDrag();
|
||||
isDrag = false;
|
||||
if (deleteListener != null && inTrash(ev.getX(), ev.getY())) {
|
||||
deleteListener.onDelete(mDragPosition);
|
||||
}
|
||||
break;
|
||||
}
|
||||
return true;
|
||||
}
|
||||
return super.onTouchEvent(ev);
|
||||
}
|
||||
|
||||
/**
|
||||
* 是否点击在GridView的item上面
|
||||
*
|
||||
* @param x
|
||||
* @param y
|
||||
* @return
|
||||
*/
|
||||
private boolean isTouchInItem(TouchRect moveRect, float x, float y) {
|
||||
// 防止手抖的处理，如果是横向在item上移动是没有影响的，
|
||||
// 但是纵向由于外层上下拉控件还是会有影响，具体解决请看NoteBookFragment类中的mSwipeRefreshLayout.setOnTouchListener方法
|
||||
if (x < moveRect.right && x > moveRect.left && y < moveRect.bottom
|
||||
&& y > moveRect.top) {
|
||||
return true;
|
||||
} else {
|
||||
return false;
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* 创建拖动的镜像
|
||||
*
|
||||
* @param bitmap
|
||||
* @param downX
|
||||
* 按下的点相对父控件的X坐标
|
||||
* @param downY
|
||||
* 按下的点相对父控件的X坐标
|
||||
*/
|
||||
private void createDragImage(Bitmap bitmap, int downX, int downY) {
|
||||
mWindowLayoutParams = new WindowManager.LayoutParams();
|
||||
mWindowLayoutParams.format = PixelFormat.TRANSLUCENT; // 图片之外的其他地方透明
|
||||
|
||||
mWindowLayoutParams.gravity = Gravity.TOP | Gravity.LEFT;
|
||||
mWindowLayoutParams.x = downX - mPoint2ItemLeft + mOffset2Left;
|
||||
mWindowLayoutParams.y = downY - mPoint2ItemTop + mOffset2Top
|
||||
- mStatusHeight;
|
||||
mWindowLayoutParams.alpha = 0.55f; // 透明度
|
||||
|
||||
|
||||
mWindowLayoutParams.width = WindowManager.LayoutParams.WRAP_CONTENT;
|
||||
mWindowLayoutParams.height = WindowManager.LayoutParams.WRAP_CONTENT;
|
||||
mWindowLayoutParams.flags = WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE
|
||||
| WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE;
|
||||
|
||||
mDragImageView = new ImageView(getContext());
|
||||
mDragImageView.setImageBitmap(bitmap);
|
||||
mWindowManager.addView(mDragImageView, mWindowLayoutParams);
|
||||
}
|
||||
|
||||
/**
|
||||
* 从界面上面移动拖动镜像
|
||||
*/
|
||||
private void removeDragImage() {
|
||||
if (mDragImageView != null) {
|
||||
mWindowManager.removeView(mDragImageView);
|
||||
mDragImageView = null;
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* 拖动item，在里面实现了item镜像的位置更新，item的相互交换以及GridView的自行滚动
|
||||
*
|
||||
* @param moveX
|
||||
* @param moveY
|
||||
*/
|
||||
private void onDragItem(int moveX, int moveY) {
|
||||
mWindowLayoutParams.x = moveX - mPoint2ItemLeft + mOffset2Left;
|
||||
mWindowLayoutParams.y = moveY - mPoint2ItemTop + mOffset2Top
|
||||
- mStatusHeight;
|
||||
mWindowManager.updateViewLayout(mDragImageView, mWindowLayoutParams); // 更新镜像的位置
|
||||
onSwapItem(moveX, moveY);
|
||||
// GridView自动滚动
|
||||
mHandler.post(mScrollRunnable);
|
||||
}
|
||||
|
||||
/**
|
||||
* 手指当前处于垃圾桶图标上
|
||||
*
|
||||
* @param x
|
||||
* @param y
|
||||
* @return
|
||||
*/
|
||||
private boolean inTrash(float x, float y) {
|
||||
x += gridRect.left;
|
||||
y += gridRect.top;
|
||||
if (x > trashRect.left && x < trashRect.right && y > trashRect.top
|
||||
&& y < trashRect.bottom) {
|
||||
if (mHandler != null && mScrollRunnable != null) {
|
||||
mHandler.removeCallbacks(mScrollRunnable);
|
||||
}
|
||||
if (mDragImageView != null) {
|
||||
mDragImageView.setScaleX(0.6f);
|
||||
mDragImageView.setScaleY(0.6f);
|
||||
}
|
||||
return true;
|
||||
} else {
|
||||
if (mDragImageView != null) {
|
||||
mDragImageView.setScaleX(1f);
|
||||
mDragImageView.setScaleY(1f);
|
||||
}
|
||||
return false;
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* 当moveY的值大于向上滚动的边界值，触发GridView自动向上滚动 当moveY的值小于向下滚动的边界值，触发GridView自动向下滚动
|
||||
* 否则不进行滚动
|
||||
*/
|
||||
private final Runnable mScrollRunnable = new Runnable() {
|
||||
|
||||
@Override
|
||||
public void run() {
|
||||
int scrollY;
|
||||
if (getFirstVisiblePosition() == 0
|
||||
|| getLastVisiblePosition() == getCount() - 1) {
|
||||
mHandler.removeCallbacks(mScrollRunnable);
|
||||
}
|
||||
|
||||
if (moveY > mUpScrollBorder) {
|
||||
scrollY = speed;
|
||||
mHandler.postDelayed(mScrollRunnable, 25);
|
||||
} else if (moveY < mDownScrollBorder) {
|
||||
scrollY = -speed;
|
||||
mHandler.postDelayed(mScrollRunnable, 25);
|
||||
} else {
|
||||
scrollY = 0;
|
||||
mHandler.removeCallbacks(mScrollRunnable);
|
||||
}
|
||||
|
||||
smoothScrollBy(scrollY, 10);
|
||||
}
|
||||
};
|
||||
|
||||
/**
|
||||
* 交换item,并且控制item之间的显示与隐藏效果
|
||||
*
|
||||
* @param moveX
|
||||
* @param moveY
|
||||
*/
|
||||
private void onSwapItem(int moveX, int moveY) {
|
||||
// 获取我们手指移动到的那个item的position
|
||||
|
||||
final int tempPosition = pointToPosition(moveX, moveY);
|
||||
|
||||
// 假如tempPosition 改变了并且tempPosition不等于-1,则进行交换
|
||||
|
||||
if (tempPosition != mDragPosition
|
||||
&& tempPosition != AdapterView.INVALID_POSITION
|
||||
&& mAnimationEnd) {
|
||||
mDragAdapter.reorderItems(mDragPosition, tempPosition);
|
||||
mDragAdapter.setHideItem(tempPosition);
|
||||
|
||||
final ViewTreeObserver observer = getViewTreeObserver();
|
||||
observer.addOnPreDrawListener(new OnPreDrawListener() {
|
||||
|
||||
@Override
|
||||
public boolean onPreDraw() {
|
||||
observer.removeOnPreDrawListener(this);
|
||||
animateReorder(mDragPosition, tempPosition);
|
||||
mDragPosition = tempPosition;
|
||||
return true;
|
||||
}
|
||||
});
|
||||
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* 创建移动动画
|
||||
*
|
||||
* @param view
|
||||
* @param startX
|
||||
* @param endX
|
||||
* @param startY
|
||||
* @param endY
|
||||
* @return
|
||||
*/
|
||||
private AnimatorSet createTranslationAnimations(View view, float startX,
|
||||
float endX, float startY, float endY) {
|
||||
ObjectAnimator animX = ObjectAnimator.ofFloat(view, "translationX",
|
||||
startX, endX);
|
||||
ObjectAnimator animY = ObjectAnimator.ofFloat(view, "translationY",
|
||||
startY, endY);
|
||||
AnimatorSet animSetXY = new AnimatorSet();
|
||||
animSetXY.playTogether(animX, animY);
|
||||
return animSetXY;
|
||||
}
|
||||
|
||||
/**
|
||||
* item的交换动画效果
|
||||
*
|
||||
* @param oldPosition
|
||||
* @param newPosition
|
||||
*/
|
||||
private void animateReorder(final int oldPosition, final int newPosition) {
|
||||
boolean isForward = newPosition > oldPosition;
|
||||
List<Animator> resultList = new LinkedList<Animator>();
|
||||
if (isForward) {
|
||||
for (int pos = oldPosition; pos < newPosition; pos++) {
|
||||
View view = getChildAt(pos - getFirstVisiblePosition());
|
||||
if (view == null) {
|
||||
continue;
|
||||
}
|
||||
if ((pos + 1) % mNumColumns == 0) {
|
||||
resultList.add(createTranslationAnimations(view,
|
||||
-view.getWidth() * (mNumColumns - 1), 0,
|
||||
view.getHeight(), 0));
|
||||
} else {
|
||||
resultList.add(createTranslationAnimations(view,
|
||||
view.getWidth(), 0, 0, 0));
|
||||
}
|
||||
}
|
||||
} else {
|
||||
for (int pos = oldPosition; pos > newPosition; pos--) {
|
||||
View view = getChildAt(pos - getFirstVisiblePosition());
|
||||
if ((pos + mNumColumns) % mNumColumns == 0) {
|
||||
resultList.add(createTranslationAnimations(view,
|
||||
view.getWidth() * (mNumColumns - 1), 0,
|
||||
-view.getHeight(), 0));
|
||||
} else {
|
||||
resultList.add(createTranslationAnimations(view,
|
||||
-view.getWidth(), 0, 0, 0));
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
AnimatorSet resultSet = new AnimatorSet();
|
||||
resultSet.playTogether(resultList);
|
||||
resultSet.setDuration(300);
|
||||
resultSet.setInterpolator(new AccelerateDecelerateInterpolator());
|
||||
resultSet.addListener(new AnimatorListenerAdapter() {
|
||||
@Override
|
||||
public void onAnimationStart(Animator animation) {
|
||||
mAnimationEnd = false;
|
||||
}
|
||||
|
||||
@Override
|
||||
public void onAnimationEnd(Animator animation) {
|
||||
mAnimationEnd = true;
|
||||
}
|
||||
});
|
||||
resultSet.start();
|
||||
}
|
||||
|
||||
/**
|
||||
* 停止拖拽我们将之前隐藏的item显示出来，并将镜像移除
|
||||
*/
|
||||
private void onStopDrag() {
|
||||
View view = getChildAt(mDragPosition - getFirstVisiblePosition());
|
||||
if (view != null) {
|
||||
view.setVisibility(View.VISIBLE);
|
||||
}
|
||||
mDragAdapter.setHideItem(-1);
|
||||
removeDragImage();
|
||||
|
||||
if (mTrashView != null) {
|
||||
mTrashView.setScaleX(1f);
|
||||
mTrashView.setScaleY(1f);
|
||||
}
|
||||
}
|
||||
|
||||
public void setOnMoveListener(OnMoveListener l) {
|
||||
moveListener = l;
|
||||
}
|
||||
|
||||
public interface OnMoveListener {
|
||||
void startMove();
|
||||
|
||||
void finishMove();
|
||||
|
||||
void cancleMove();
|
||||
}
|
||||
|
||||
public interface OnDeleteListener {
|
||||
void onDelete(int position);
|
||||
}
|
||||
|
||||
public interface DragGridBaseAdapter {
|
||||
/**
|
||||
* 移动时回调
|
||||
*/
|
||||
public void reorderItems(int oldPosition, int newPosition);
|
||||
|
||||
/**
|
||||
* 隐藏时回调
|
||||
*/
|
||||
public void setHideItem(int hidePosition);
|
||||
}
|
||||
|
||||
private class TouchRect {
|
||||
int top;
|
||||
int bottom;
|
||||
int left;
|
||||
int right;
|
||||
}
|
||||
}
|
||||
|
|
@ -1,31 +0,0 @@
|
|||
package com.example.administrator.myapplication.widget;
|
||||
|
||||
import android.content.Context;
|
||||
import android.util.AttributeSet;
|
||||
import android.view.MotionEvent;
|
||||
|
||||
/**
|
||||
* 圆形ImageView组件 点击事件不会穿透
|
||||
*
|
||||
* @author kymjs(kymjs123@gmail.com)
|
||||
*/
|
||||
public class NoteItemCircleView extends CircleImageView {
|
||||
|
||||
public NoteItemCircleView(Context context) {
|
||||
super(context);
|
||||
}
|
||||
|
||||
public NoteItemCircleView(Context context, AttributeSet attrs) {
|
||||
this(context, attrs, 0);
|
||||
}
|
||||
|
||||
public NoteItemCircleView(Context context, AttributeSet attrs, int defStyle) {
|
||||
super(context, attrs, defStyle);
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean onTouchEvent(MotionEvent event) {
|
||||
super.onTouchEvent(event);
|
||||
return true;
|
||||
}
|
||||
}
|
||||
|
|
@ -1,336 +0,0 @@
|
|||
package com.example.administrator.myapplication.widget;
|
||||
|
||||
import android.animation.ObjectAnimator;
|
||||
import android.animation.TypeEvaluator;
|
||||
import android.content.Context;
|
||||
import android.content.res.TypedArray;
|
||||
import android.graphics.Canvas;
|
||||
import android.graphics.Color;
|
||||
import android.graphics.Paint;
|
||||
import android.graphics.Paint.Cap;
|
||||
import android.graphics.Paint.Style;
|
||||
import android.graphics.RectF;
|
||||
import android.os.Build;
|
||||
import android.util.AttributeSet;
|
||||
import android.util.Property;
|
||||
import android.view.View;
|
||||
import android.view.animation.DecelerateInterpolator;
|
||||
import android.view.animation.Interpolator;
|
||||
|
||||
import com.example.administrator.myapplication.R;
|
||||
|
||||
|
||||
/**
|
||||
* @author Qiujuer
|
||||
*/
|
||||
public class ToggleButton extends View {
|
||||
/** */
|
||||
private float radius;
|
||||
/**
|
||||
* 开启颜色
|
||||
*/
|
||||
private int onColor = Color.parseColor("#4ebb7f");
|
||||
/**
|
||||
* 关闭颜色
|
||||
*/
|
||||
private int offBorderColor = Color.parseColor("#dadbda");
|
||||
/**
|
||||
* 灰色带颜色
|
||||
*/
|
||||
private int offColor = Color.parseColor("#ffffff");
|
||||
/**
|
||||
* 手柄颜色
|
||||
*/
|
||||
private int spotColor = Color.parseColor("#ffffff");
|
||||
/**
|
||||
* 边框颜色
|
||||
*/
|
||||
private int borderColor = offBorderColor;
|
||||
/**
|
||||
* 画笔
|
||||
*/
|
||||
private Paint paint;
|
||||
/**
|
||||
* 开关状态
|
||||
*/
|
||||
private boolean toggleOn = false;
|
||||
/**
|
||||
* 边框大小
|
||||
*/
|
||||
private int borderWidth = 2;
|
||||
/**
|
||||
* 垂直中心
|
||||
*/
|
||||
private float centerY;
|
||||
/**
|
||||
* 按钮的开始和结束位置
|
||||
*/
|
||||
private float startX, endX;
|
||||
/**
|
||||
* 手柄X位置的最小和最大值
|
||||
*/
|
||||
private float spotMinX, spotMaxX;
|
||||
/**
|
||||
* 手柄大小
|
||||
*/
|
||||
private int spotSize;
|
||||
/**
|
||||
* 手柄X位置
|
||||
*/
|
||||
private float spotX;
|
||||
/**
|
||||
* 关闭时内部灰色带高度
|
||||
*/
|
||||
private float offLineWidth;
|
||||
/** */
|
||||
private RectF rect = new RectF();
|
||||
|
||||
private OnToggleChanged listener;
|
||||
|
||||
private ToggleButton(Context context) {
|
||||
super(context);
|
||||
}
|
||||
|
||||
public ToggleButton(Context context, AttributeSet attrs, int defStyleAttr) {
|
||||
super(context, attrs, defStyleAttr);
|
||||
setup(attrs);
|
||||
}
|
||||
|
||||
public ToggleButton(Context context, AttributeSet attrs) {
|
||||
super(context, attrs);
|
||||
setup(attrs);
|
||||
}
|
||||
|
||||
public void setup(AttributeSet attrs) {
|
||||
paint = new Paint(Paint.ANTI_ALIAS_FLAG);
|
||||
paint.setStyle(Style.FILL);
|
||||
paint.setStrokeCap(Cap.ROUND);
|
||||
|
||||
this.setOnClickListener(new OnClickListener() {
|
||||
@Override
|
||||
public void onClick(View arg0) {
|
||||
toggle();
|
||||
}
|
||||
});
|
||||
|
||||
TypedArray typedArray = getContext().obtainStyledAttributes(attrs, R.styleable.ToggleButton);
|
||||
offBorderColor = typedArray.getColor(R.styleable.ToggleButton_offBorderColor, offBorderColor);
|
||||
onColor = typedArray.getColor(R.styleable.ToggleButton_onColor, onColor);
|
||||
spotColor = typedArray.getColor(R.styleable.ToggleButton_spotColor, spotColor);
|
||||
offColor = typedArray.getColor(R.styleable.ToggleButton_offColor, offColor);
|
||||
borderWidth = typedArray.getDimensionPixelSize(R.styleable.ToggleButton_toggle_border_width, borderWidth);
|
||||
typedArray.recycle();
|
||||
}
|
||||
|
||||
public void toggle() {
|
||||
toggleOn = !toggleOn;
|
||||
animateCheckedState(toggleOn);
|
||||
if (listener != null) {
|
||||
listener.onToggle(toggleOn);
|
||||
}
|
||||
}
|
||||
|
||||
public void toggleOn() {
|
||||
setToggleOn();
|
||||
if (listener != null) {
|
||||
listener.onToggle(toggleOn);
|
||||
}
|
||||
}
|
||||
|
||||
public void toggleOff() {
|
||||
setToggleOff();
|
||||
if (listener != null) {
|
||||
listener.onToggle(toggleOn);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* 设置显示成打开样式，不会触发toggle事件
|
||||
*/
|
||||
public void setToggleOn() {
|
||||
toggleOn = true;
|
||||
setAnimatorProperty(true);
|
||||
}
|
||||
|
||||
/**
|
||||
* 设置显示成关闭样式，不会触发toggle事件
|
||||
*/
|
||||
public void setToggleOff() {
|
||||
toggleOn = false;
|
||||
setAnimatorProperty(false);
|
||||
}
|
||||
|
||||
@Override
|
||||
protected void onLayout(boolean changed, int left, int top, int right,
|
||||
int bottom) {
|
||||
super.onLayout(changed, left, top, right, bottom);
|
||||
|
||||
final int width = getWidth();
|
||||
final int height = getHeight();
|
||||
radius = Math.min(width, height) * 0.5f;
|
||||
centerY = radius;
|
||||
startX = radius;
|
||||
endX = width - radius;
|
||||
spotMinX = startX + borderWidth;
|
||||
spotMaxX = endX - borderWidth;
|
||||
spotSize = height - 4 * borderWidth;
|
||||
|
||||
// update values
|
||||
setAnimatorProperty(toggleOn);
|
||||
}
|
||||
|
||||
@Override
|
||||
public void draw(Canvas canvas) {
|
||||
super.draw(canvas);
|
||||
rect.set(0, 0, getWidth(), getHeight());
|
||||
paint.setColor(borderColor);
|
||||
canvas.drawRoundRect(rect, radius, radius, paint);
|
||||
|
||||
if (offLineWidth > 0) {
|
||||
final float cy = offLineWidth * 0.5f;
|
||||
rect.set(spotX - cy, centerY - cy, endX + cy, centerY + cy);
|
||||
paint.setColor(offColor);
|
||||
canvas.drawRoundRect(rect, cy, cy, paint);
|
||||
}
|
||||
|
||||
rect.set(spotX - 1 - radius, centerY - radius, spotX + 1.1f + radius, centerY + radius);
|
||||
paint.setColor(borderColor);
|
||||
canvas.drawRoundRect(rect, radius, radius, paint);
|
||||
|
||||
final float spotR = spotSize * 0.5f;
|
||||
rect.set(spotX - spotR, centerY - spotR, spotX + spotR, centerY + spotR);
|
||||
paint.setColor(spotColor);
|
||||
canvas.drawRoundRect(rect, spotR, spotR, paint);
|
||||
}
|
||||
|
||||
/**
|
||||
* =============================================================================================
|
||||
* The Animate
|
||||
* =============================================================================================
|
||||
*/
|
||||
private static final Interpolator ANIMATION_INTERPOLATOR = new DecelerateInterpolator();
|
||||
private static final int ANIMATION_DURATION = 280;
|
||||
private ObjectAnimator mAnimator;
|
||||
|
||||
private void animateCheckedState(boolean newCheckedState) {
|
||||
AnimatorProperty property = new AnimatorProperty();
|
||||
if (newCheckedState) {
|
||||
property.color = onColor;
|
||||
property.offLineWidth = 10;
|
||||
property.spotX = spotMaxX;
|
||||
} else {
|
||||
property.color = offBorderColor;
|
||||
property.offLineWidth = spotSize;
|
||||
property.spotX = spotMinX;
|
||||
}
|
||||
|
||||
if (mAnimator == null) {
|
||||
mAnimator = ObjectAnimator.ofObject(this, ANIM_VALUE, new AnimatorEvaluator(mCurProperty), property);
|
||||
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR2)
|
||||
mAnimator.setAutoCancel(true);
|
||||
mAnimator.setDuration(ANIMATION_DURATION);
|
||||
mAnimator.setInterpolator(ANIMATION_INTERPOLATOR);
|
||||
} else {
|
||||
mAnimator.cancel();
|
||||
mAnimator.setObjectValues(property);
|
||||
}
|
||||
mAnimator.start();
|
||||
}
|
||||
|
||||
/**
|
||||
* =============================================================================================
|
||||
* The custom properties
|
||||
* =============================================================================================
|
||||
*/
|
||||
|
||||
private AnimatorProperty mCurProperty = new AnimatorProperty();
|
||||
|
||||
private void setAnimatorProperty(AnimatorProperty property) {
|
||||
this.spotX = property.spotX;
|
||||
this.borderColor = property.color;
|
||||
this.offLineWidth = property.offLineWidth;
|
||||
invalidate();
|
||||
}
|
||||
|
||||
private void setAnimatorProperty(boolean isOn) {
|
||||
AnimatorProperty property = mCurProperty;
|
||||
if (isOn) {
|
||||
property.color = onColor;
|
||||
property.offLineWidth = 10;
|
||||
property.spotX = spotMaxX;
|
||||
} else {
|
||||
property.color = offBorderColor;
|
||||
property.offLineWidth = spotSize;
|
||||
property.spotX = spotMinX;
|
||||
}
|
||||
setAnimatorProperty(property);
|
||||
}
|
||||
|
||||
private final static class AnimatorProperty {
|
||||
private int color;
|
||||
private float offLineWidth;
|
||||
private float spotX;
|
||||
}
|
||||
|
||||
private final static class AnimatorEvaluator implements TypeEvaluator<AnimatorProperty> {
|
||||
private final AnimatorProperty mProperty;
|
||||
|
||||
public AnimatorEvaluator(AnimatorProperty property) {
|
||||
mProperty = property;
|
||||
}
|
||||
|
||||
@Override
|
||||
public AnimatorProperty evaluate(float fraction, AnimatorProperty startValue, AnimatorProperty endValue) {
|
||||
// Values
|
||||
mProperty.spotX = (int) (startValue.spotX + (endValue.spotX - startValue.spotX) * fraction);
|
||||
|
||||
mProperty.offLineWidth = (int) (startValue.offLineWidth + (endValue.offLineWidth - startValue.offLineWidth) * (1 - fraction));
|
||||
|
||||
// Color
|
||||
int startA = (startValue.color >> 24) & 0xff;
|
||||
int startR = (startValue.color >> 16) & 0xff;
|
||||
int startG = (startValue.color >> 8) & 0xff;
|
||||
int startB = startValue.color & 0xff;
|
||||
|
||||
int endA = (endValue.color >> 24) & 0xff;
|
||||
int endR = (endValue.color >> 16) & 0xff;
|
||||
int endG = (endValue.color >> 8) & 0xff;
|
||||
int endB = endValue.color & 0xff;
|
||||
|
||||
mProperty.color = (startA + (int) (fraction * (endA - startA))) << 24 |
|
||||
(startR + (int) (fraction * (endR - startR))) << 16 |
|
||||
(startG + (int) (fraction * (endG - startG))) << 8 |
|
||||
(startB + (int) (fraction * (endB - startB)));
|
||||
|
||||
return mProperty;
|
||||
}
|
||||
}
|
||||
|
||||
private final static Property<ToggleButton, AnimatorProperty> ANIM_VALUE = new Property<ToggleButton, AnimatorProperty>(AnimatorProperty.class, "animValue") {
|
||||
@Override
|
||||
public AnimatorProperty get(ToggleButton object) {
|
||||
return object.mCurProperty;
|
||||
}
|
||||
|
||||
@Override
|
||||
public void set(ToggleButton object, AnimatorProperty value) {
|
||||
object.setAnimatorProperty(value);
|
||||
}
|
||||
};
|
||||
|
||||
|
||||
/**
|
||||
* @author ThinkPad
|
||||
*/
|
||||
public interface OnToggleChanged {
|
||||
/**
|
||||
* @param on
|
||||
*/
|
||||
public void onToggle(boolean on);
|
||||
}
|
||||
|
||||
|
||||
public void setOnToggleChanged(OnToggleChanged onToggleChanged) {
|
||||
listener = onToggleChanged;
|
||||
}
|
||||
}
|
||||
Loading…
Reference in New Issue