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platform_packages_apps_Launcher3
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Updating the search hint to contain the icon as a span object. 

This makes the icon part of the hint text, and removes any need for
custom focus event handling.
Also the icon will now appear at the start of the text  based on the
direction of the text and not the direction of the layout

Change-Id: I06c5cf99492d75b1005c69ec7c521cde0fdab010
This commit is contained in:
Sunny Goyal 2016-07-21 10:42:30 -07:00
parent 58368b1515
commit ce3fffb5fb
4 changed files with 77 additions and 40 deletions
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14
res/layout/all_apps.xml
View File

@ -65,18 +65,6 @@
android:orientation="horizontal"
android:saveEnabled="false">
<TextView
android:layout_width="wrap_content"
android:layout_height="match_parent"
android:gravity="center_vertical"
android:id="@+id/search_hint"
android:layout_gravity="center_horizontal"
android:drawablePadding="@dimen/all_apps_search_bar_icon_margin_right"
android:drawableStart="@drawable/ic_allapps_search"
android:text="@string/all_apps_search_bar_hint"
android:textColor="@drawable/all_apps_search_hint"
android:textSize="16sp" />
<com.android.launcher3.ExtendedEditText
android:id="@+id/search_box_input"
android:layout_width="match_parent"
@ -90,7 +78,7 @@
android:scrollHorizontally="true"
android:singleLine="true"
android:textColor="#4c4c4c"
android:contentDescription="@string/all_apps_search_bar_hint"
android:hint="@string/all_apps_search_bar_hint"
android:textColorHint="@drawable/all_apps_search_hint"
android:textSize="16sp" />
</FrameLayout>

14
src/com/android/launcher3/allapps/AllAppsContainerView.java
View File

@ -22,6 +22,8 @@ import android.graphics.Point;
import android.graphics.Rect;
import android.support.v7.widget.RecyclerView;
import android.text.Selection;
import android.text.Spannable;
import android.text.SpannableString;
import android.text.SpannableStringBuilder;
import android.text.method.TextKeyListener;
import android.util.AttributeSet;
@ -47,6 +49,7 @@ import com.android.launcher3.Utilities;
import com.android.launcher3.Workspace;
import com.android.launcher3.config.FeatureFlags;
import com.android.launcher3.folder.Folder;
import com.android.launcher3.graphics.TintedDrawableSpan;
import com.android.launcher3.keyboard.FocusedItemDecorator;
import com.android.launcher3.util.ComponentKey;
@ -240,7 +243,6 @@ public class AllAppsContainerView extends BaseContainerView implements DragSourc
}
mSearchBarController = searchController;
mSearchBarController.initialize(mApps, mSearchInput, mLauncher, this);
mSearchBarController.setHintView(findViewById(R.id.search_hint));
mAdapter.setSearchController(mSearchBarController);
}
@ -308,6 +310,16 @@ public class AllAppsContainerView extends BaseContainerView implements DragSourc
mSearchContainer = findViewById(R.id.search_container);
mSearchInput = (ExtendedEditText) findViewById(R.id.search_box_input);
// Update the hint to contain the icon.
// Prefix the original hint with two spaces. The first space gets replaced by the icon
// using span. The second space is used for a singe space character between the hint
// and the icon.
SpannableString spanned = new SpannableString(" " + mSearchInput.getHint());
spanned.setSpan(new TintedDrawableSpan(getContext(), R.drawable.ic_allapps_search),
0, 1, Spannable.SPAN_EXCLUSIVE_INCLUSIVE);
mSearchInput.setHint(spanned);
mSearchContainerOffsetTop = getResources().getDimensionPixelSize(
R.dimen.all_apps_search_bar_margin_top);

27
src/com/android/launcher3/allapps/AllAppsSearchBarController.java
View File

@ -39,8 +39,7 @@ import java.util.ArrayList;
* An interface to a search box that AllApps can command.
*/
public abstract class AllAppsSearchBarController
implements TextWatcher, OnEditorActionListener, ExtendedEditText.OnBackKeyListener,
View.OnFocusChangeListener {
implements TextWatcher, OnEditorActionListener, ExtendedEditText.OnBackKeyListener {
protected Launcher mLauncher;
protected AlphabeticalAppsList mApps;
@ -50,8 +49,6 @@ public abstract class AllAppsSearchBarController
protected DefaultAppSearchAlgorithm mSearchAlgorithm;
protected InputMethodManager mInputMethodManager;
protected View mHintView;
public void setVisibility(int visibility) {
mInput.setVisibility(visibility);
}
@ -69,7 +66,6 @@ public abstract class AllAppsSearchBarController
mInput.addTextChangedListener(this);
mInput.setOnEditorActionListener(this);
mInput.setOnBackKeyListener(this);
mInput.setOnFocusChangeListener(this);
mInputMethodManager = (InputMethodManager)
mInput.getContext().getSystemService(Context.INPUT_METHOD_SERVICE);
@ -130,27 +126,6 @@ public abstract class AllAppsSearchBarController
return false;
}
@Override
public void onFocusChange(View view, boolean focused) {
if (mHintView != null) {
mHintView.setVisibility(focused ? View.INVISIBLE : View.VISIBLE);
}
}
/**
* Sets a view to serve as the search field's hint.
*/
public void setHintView(View hintView) {
mHintView = hintView;
}
/**
* Returns the search field's hint view.
*/
public View getHintView() {
return mHintView;
}
/**
* Resets the search bar state.
*/

62
src/com/android/launcher3/graphics/TintedDrawableSpan.java Normal file
View File

@ -0,0 +1,62 @@
/*
* Copyright (C) 2016 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.launcher3.graphics;
import android.content.Context;
import android.graphics.Canvas;
import android.graphics.Paint;
import android.graphics.Paint.FontMetricsInt;
import android.graphics.drawable.Drawable;
import android.text.style.DynamicDrawableSpan;
/**
* {@link DynamicDrawableSpan} which draws a drawable tinted with the current paint color.
*/
public class TintedDrawableSpan extends DynamicDrawableSpan {
private final Drawable mDrawable;
private int mOldTint;
public TintedDrawableSpan(Context context, int resourceId) {
super(ALIGN_BOTTOM);
mDrawable = context.getDrawable(resourceId);
mOldTint = 0;
}
@Override
public int getSize(Paint paint, CharSequence text, int start, int end, FontMetricsInt fm) {
fm = fm == null ? paint.getFontMetricsInt() : fm;
int iconSize = fm.bottom - fm.top;
mDrawable.setBounds(0, 0, iconSize, iconSize);
return super.getSize(paint, text, start, end, fm);
}
@Override
public void draw(Canvas canvas, CharSequence text,
int start, int end, float x, int top, int y, int bottom, Paint paint) {
int color = paint.getColor();
if (mOldTint != color) {
mOldTint = color;
mDrawable.setTint(mOldTint);
}
super.draw(canvas, text, start, end, x, top, y, bottom, paint);
}
@Override
public Drawable getDrawable() {
return mDrawable;
}
}