Add clear all view that scales off device height

Add a custom clear all view that scales its height based off the height
of the device in portrait. This view holds and lays out the actual
button.

Bug: 114136250
Test: Task items + clear all scale to fit flush with screen size
Change-Id: I72b175681c104588970d57cde34cebc0f06b55a0
(cherry picked from commit a2b8ca8830)
This commit is contained in:
Kevin 2019-04-19 11:49:00 -07:00 committed by Kevin Han
parent 52645638e9
commit 728deff7c0
4 changed files with 76 additions and 19 deletions

View File

@ -14,15 +14,20 @@
See the License for the specific language governing permissions and
limitations under the License.
-->
<Button xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/clear_all_button"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center_horizontal"
android:background="@drawable/clear_all_button"
android:gravity="center"
android:text="@string/recents_clear_all"
android:textAllCaps="false"
android:textColor="@color/clear_all_button_text"
android:textSize="14sp">
</Button>
<com.android.quickstep.views.ClearAllItemView
xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/clear_all_item_view"
android:layout_width="match_parent"
android:layout_height="match_parent">
<Button
android:id="@+id/clear_all_button"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center_horizontal"
android:background="@drawable/clear_all_button"
android:gravity="center"
android:text="@string/recents_clear_all"
android:textAllCaps="false"
android:textColor="@color/clear_all_button_text"
android:textSize="14sp"/>
</com.android.quickstep.views.ClearAllItemView>

View File

@ -16,6 +16,7 @@
package com.android.quickstep;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.widget.Button;
@ -84,10 +85,11 @@ public final class TaskAdapter extends Adapter<ViewHolder> {
itemView.setOnClickListener(view -> mTaskActionController.launchTask(taskHolder));
return taskHolder;
case ITEM_TYPE_CLEAR_ALL:
Button clearView = (Button) LayoutInflater.from(parent.getContext())
View clearView = LayoutInflater.from(parent.getContext())
.inflate(R.layout.clear_all_button, parent, false);
ClearAllHolder clearAllHolder = new ClearAllHolder(clearView);
clearView.setOnClickListener(mClearAllListener);
Button clearViewButton = clearView.findViewById(R.id.clear_all_button);
clearViewButton.setOnClickListener(mClearAllListener);
return clearAllHolder;
default:
throw new IllegalArgumentException("No known holder for item type: " + viewType);

View File

@ -0,0 +1,41 @@
/*
* Copyright (C) 2019 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.quickstep.views;
import static com.android.quickstep.views.TaskLayoutUtils.getClearAllItemHeight;
import android.content.Context;
import android.util.AttributeSet;
import android.widget.FrameLayout;
/**
* Recycler view item that lays out the clear all button and measures the space it takes based on
* the device height.
*/
public final class ClearAllItemView extends FrameLayout {
public ClearAllItemView(Context context, AttributeSet attrs) {
super(context, attrs);
}
@Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
int buttonHeight = getClearAllItemHeight(getContext());
int newHeightSpec = MeasureSpec.makeMeasureSpec(buttonHeight, MeasureSpec.EXACTLY);
super.onMeasure(widthMeasureSpec, newHeightSpec);
}
}

View File

@ -26,6 +26,8 @@ import com.android.launcher3.InvariantDeviceProfile;
*/
public final class TaskLayoutUtils {
private static final float CLEAR_ALL_ITEM_TO_HEIGHT_RATIO = 7.0f / 64;
private TaskLayoutUtils() {}
/**
@ -39,12 +41,19 @@ public final class TaskLayoutUtils {
public static int getTaskHeight(Context context) {
final int availableHeight =
InvariantDeviceProfile.INSTANCE.get(context).portraitProfile.availableHeightPx;
// TODO: Take into account clear all button height for task height
return (int) (availableHeight * 1.0f / MAX_TASKS_TO_DISPLAY);
final int availableTaskSpace = availableHeight - getClearAllItemHeight(context);
return (int) (availableTaskSpace * 1.0f / MAX_TASKS_TO_DISPLAY);
}
public static int getClearAllButtonHeight(Context context) {
// TODO: Implement this
return 0;
/**
* Calculate clear all item height scaled to available height in portrait mode.
*
* @param context current context
* @return clear all item height
*/
public static int getClearAllItemHeight(Context context) {
final int availableHeight =
InvariantDeviceProfile.INSTANCE.get(context).portraitProfile.availableHeightPx;
return (int) (CLEAR_ALL_ITEM_TO_HEIGHT_RATIO * availableHeight);
}
}