Extending the shadow effect for search bar to lower devices

> Applying the background to the whole container instead of recycleview

Change-Id: Ifc90d05e0e96c41ba9aaf96b906211b101c2e197
This commit is contained in:
Sunny Goyal 2015-05-13 17:40:42 -07:00
parent fb445cd97d
commit 12fb2cc8ec
4 changed files with 135 additions and 52 deletions

View File

@ -1,5 +1,6 @@
<?xml version="1.0" encoding="utf-8"?>
<!-- Copyright (C) 2015 The Android Open Source Project
<!--
Copyright (C) 2015 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.
@ -13,44 +14,48 @@
See the License for the specific language governing permissions and
limitations under the License.
-->
<FrameLayout
xmlns:android="http://schemas.android.com/apk/res/android"
<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/apps_list"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:elevation="15dp"
android:visibility="gone"
android:focusableInTouchMode="true">
android:focusableInTouchMode="true"
android:visibility="gone" >
<com.android.launcher3.AppsContainerRecyclerView
android:id="@+id/apps_list_view"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_marginTop="@dimen/apps_search_bar_height"
android:layout_gravity="center_horizontal|top"
android:layout_marginTop="@dimen/apps_search_bar_height"
android:clipToPadding="false"
android:focusable="true"
android:descendantFocusability="afterDescendants" />
android:descendantFocusability="afterDescendants"
android:focusable="true" />
<LinearLayout
android:id="@+id/prediction_bar"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginTop="@dimen/apps_search_bar_height"
android:orientation="horizontal"
android:visibility="invisible">
android:visibility="invisible" >
</LinearLayout>
<!-- We always want the search bar on top, so it goes last. -->
<FrameLayout
android:id="@+id/header"
android:layout_width="match_parent"
android:layout_height="@dimen/apps_search_bar_height"
android:background="@drawable/apps_search_bg">
android:background="@drawable/apps_search_bg" >
<LinearLayout
android:id="@+id/app_search_container"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal"
android:visibility="invisible">
android:visibility="invisible" >
<ImageView
android:id="@+id/dismiss_search_button"
android:layout_width="wrap_content"
@ -58,29 +63,31 @@
android:layout_gravity="start|center_vertical"
android:layout_marginLeft="4dp"
android:layout_marginStart="4dp"
android:paddingTop="13dp"
android:paddingBottom="13dp"
android:contentDescription="@string/all_apps_button_label"
android:paddingBottom="13dp"
android:paddingTop="13dp"
android:src="@drawable/ic_arrow_back_grey" />
<com.android.launcher3.AppsContainerSearchEditTextView
android:id="@+id/app_search_box"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:paddingTop="16dp"
android:background="@android:color/transparent"
android:focusableInTouchMode="true"
android:gravity="fill_horizontal"
android:hint="@string/apps_view_search_bar_hint"
android:imeOptions="actionDone|flagNoExtractUi"
android:maxLines="1"
android:paddingBottom="16dp"
android:paddingLeft="8dp"
android:hint="@string/apps_view_search_bar_hint"
android:maxLines="1"
android:singleLine="true"
android:paddingTop="16dp"
android:scrollHorizontally="true"
android:gravity="fill_horizontal"
android:textSize="16sp"
android:singleLine="true"
android:textColor="#4c4c4c"
android:textColorHint="#9c9c9c"
android:imeOptions="actionDone|flagNoExtractUi"
android:focusableInTouchMode="true"
android:background="@android:color/transparent" />
android:textSize="16sp" />
</LinearLayout>
<ImageView
android:id="@+id/search_button"
android:layout_width="wrap_content"
@ -88,9 +95,10 @@
android:layout_gravity="end|center_vertical"
android:layout_marginEnd="6dp"
android:layout_marginRight="6dp"
android:paddingTop="13dp"
android:paddingBottom="13dp"
android:contentDescription="@string/apps_view_search_bar_hint"
android:paddingBottom="13dp"
android:paddingTop="13dp"
android:src="@drawable/ic_search_grey" />
</FrameLayout>
</FrameLayout>

View File

@ -71,6 +71,10 @@
<dimen name="drop_target_drag_padding">14dp</dimen>
<dimen name="drop_target_text_size">14sp</dimen>
<dimen name="all_apps_header_max_elevation">4dp</dimen>
<dimen name="all_apps_header_scroll_to_elevation">16dp</dimen>
<dimen name="all_apps_header_shadow_height">6dp</dimen>
<!-- Dragging -->
<!-- the area at the edge of the screen that makes the workspace go left
or right while you're dragging. -->

View File

@ -146,9 +146,7 @@ public class AppsContainerRecyclerView extends BaseContainerRecyclerView {
mNumPredictedAppsPerRow = numPredictedAppsPerRow;
}
@Override
public void setBackground(Drawable background) {
super.setBackground(background);
public void updateBackgroundPadding(Drawable background) {
background.getPadding(mBackgroundPadding);
}

View File

@ -22,6 +22,7 @@ import android.content.Context;
import android.content.res.Resources;
import android.graphics.Point;
import android.graphics.Rect;
import android.graphics.drawable.GradientDrawable;
import android.graphics.drawable.InsetDrawable;
import android.os.Build;
import android.support.v7.widget.RecyclerView;
@ -58,9 +59,7 @@ public class AppsContainerView extends BaseContainerView implements DragSource,
private static final boolean ALLOW_SINGLE_APP_LAUNCH = true;
private static final boolean DYNAMIC_HEADER_ELEVATION = true;
private static final boolean DISMISS_SEARCH_ON_BACK = true;
private static final float HEADER_ELEVATION_DP = 4;
// How far the user has to scroll in order to reach the full elevation
private static final float HEADER_SCROLL_TO_ELEVATION_DP = 16;
private static final int FADE_IN_DURATION = 175;
private static final int FADE_OUT_DURATION = 100;
private static final int SEARCH_TRANSLATION_X_DP = 18;
@ -83,6 +82,8 @@ public class AppsContainerView extends BaseContainerView implements DragSource,
private View mDismissSearchButtonView;
private AppsContainerSearchEditTextView mSearchBarEditView;
private HeaderElevationController mElevationController;
private int mNumAppsPerRow;
private int mNumPredictedAppsPerRow;
// This coordinate is relative to this container view
@ -174,6 +175,7 @@ public class AppsContainerView extends BaseContainerView implements DragSource,
*/
public void hideHeaderBar() {
mHeaderView.setVisibility(View.GONE);
mElevationController.disable();
onUpdateBackgrounds();
onUpdatePaddings();
}
@ -219,9 +221,13 @@ public class AppsContainerView extends BaseContainerView implements DragSource,
// Fix the header view elevation if not dynamically calculating it
mHeaderView = findViewById(R.id.header);
mHeaderView.setOnClickListener(this);
if (Utilities.isLmpOrAbove() && !DYNAMIC_HEADER_ELEVATION) {
mHeaderView.setElevation(DynamicGrid.pxFromDp(HEADER_ELEVATION_DP,
getContext().getResources().getDisplayMetrics()));
mElevationController = Utilities.isLmpOrAbove() ?
new HeaderElevationControllerVL(mHeaderView) :
new HeaderElevationControllerV16(mHeaderView);
if (!DYNAMIC_HEADER_ELEVATION) {
mElevationController.onScroll(getResources()
.getDimensionPixelSize(R.dimen.all_apps_header_scroll_to_elevation));
}
// Fix the prediction bar size
@ -335,6 +341,10 @@ public class AppsContainerView extends BaseContainerView implements DragSource,
boolean hasSearchBar = (mSearchBarEditView != null) &&
(mSearchBarEditView.getVisibility() == View.VISIBLE);
// Set the background on the container, but let the recyclerView extend the full screen,
// so that the fast-scroller works on the edge as well.
mContentView.setPadding(0, 0, 0, 0);
if (mFixedBounds.isEmpty()) {
// If there are no fixed bounds, then use the default padding and insets
setPadding(mInsets.left, mContainerInset + mInsets.top, mInsets.right,
@ -377,19 +387,16 @@ public class AppsContainerView extends BaseContainerView implements DragSource,
@Override
protected void onUpdateBackgrounds() {
int inset = mFixedBounds.isEmpty() ? mContainerInset : mFixedBoundsContainerInset;
boolean hasSearchBar = (mSearchBarEditView != null) &&
(mSearchBarEditView.getVisibility() == View.VISIBLE);
// Update the background of the reveal view and list to be inset with the fixed bound
// insets instead of the default insets
// TODO: Use quantum_panel instead of quantum_panel_shape.
mAppsRecyclerView.setBackground(new InsetDrawable(
getContext().getResources().getDrawable(
hasSearchBar ? R.drawable.apps_list_search_bg : R.drawable.quantum_panel_shape),
inset, 0, inset, 0));
getRevealView().setBackground(new InsetDrawable(
InsetDrawable background = new InsetDrawable(
getContext().getResources().getDrawable(R.drawable.quantum_panel_shape),
inset, 0, inset, 0));
inset, 0, inset, 0);
mContentView.setBackground(background);
mAppsRecyclerView.updateBackgroundPadding(background);
getRevealView().setBackground(background.getConstantState().newDrawable());
}
@Override
@ -619,17 +626,8 @@ public class AppsContainerView extends BaseContainerView implements DragSource,
*/
@TargetApi(Build.VERSION_CODES.LOLLIPOP)
private void onRecyclerViewScrolled() {
if (DYNAMIC_HEADER_ELEVATION && Utilities.isLmpOrAbove()) {
int elevation = DynamicGrid.pxFromDp(HEADER_ELEVATION_DP,
getContext().getResources().getDisplayMetrics());
int scrollToElevation = DynamicGrid.pxFromDp(HEADER_SCROLL_TO_ELEVATION_DP,
getContext().getResources().getDisplayMetrics());
float elevationPct = (float) Math.min(mRecyclerViewScrollY, scrollToElevation) /
scrollToElevation;
float newElevation = elevation * elevationPct;
if (Float.compare(mHeaderView.getElevation(), newElevation) != 0) {
mHeaderView.setElevation(newElevation);
}
if (DYNAMIC_HEADER_ELEVATION) {
mElevationController.onScroll(mRecyclerViewScrollY);
}
mPredictionBarView.setTranslationY(-mRecyclerViewScrollY + mAppsRecyclerView.getPaddingTop());
@ -839,4 +837,79 @@ public class AppsContainerView extends BaseContainerView implements DragSource,
private InputMethodManager getInputMethodManager() {
return (InputMethodManager) getContext().getSystemService(Context.INPUT_METHOD_SERVICE);
}
private static interface HeaderElevationController {
public void onScroll(int scrollY);
public void disable();
}
private static final class HeaderElevationControllerV16 implements HeaderElevationController {
private final View mShadow;
private final float mScrollToElevation;
public HeaderElevationControllerV16(View header) {
Resources res = header.getContext().getResources();
mScrollToElevation = res.getDimension(R.dimen.all_apps_header_scroll_to_elevation);
mShadow = new View(header.getContext());
mShadow.setBackground(new GradientDrawable(
GradientDrawable.Orientation.TOP_BOTTOM, new int[] {0x44000000, 0x00000000}));
mShadow.setAlpha(0);
FrameLayout.LayoutParams lp = new FrameLayout.LayoutParams(
LayoutParams.MATCH_PARENT,
res.getDimensionPixelSize(R.dimen.all_apps_header_shadow_height));
lp.topMargin = ((FrameLayout.LayoutParams) header.getLayoutParams()).height;
((ViewGroup) header.getParent()).addView(mShadow, lp);
}
@Override
public void onScroll(int scrollY) {
float elevationPct = (float) Math.min(scrollY, mScrollToElevation) /
mScrollToElevation;
mShadow.setAlpha(elevationPct);
}
@Override
public void disable() {
ViewGroup parent = (ViewGroup) mShadow.getParent();
if (parent != null) {
parent.removeView(mShadow);
}
}
}
@TargetApi(Build.VERSION_CODES.LOLLIPOP)
private static final class HeaderElevationControllerVL implements HeaderElevationController {
private final View mHeader;
private final float mMaxElevation;
private final float mScrollToElevation;
public HeaderElevationControllerVL(View header) {
mHeader = header;
Resources res = header.getContext().getResources();
mMaxElevation = res.getDimension(R.dimen.all_apps_header_max_elevation);
mScrollToElevation = res.getDimension(R.dimen.all_apps_header_scroll_to_elevation);
}
@Override
public void onScroll(int scrollY) {
float elevationPct = (float) Math.min(scrollY, mScrollToElevation) /
mScrollToElevation;
float newElevation = mMaxElevation * elevationPct;
if (Float.compare(mHeader.getElevation(), newElevation) != 0) {
mHeader.setElevation(newElevation);
}
}
@Override
public void disable() { }
}
}