| /* |
| * Copyright (C) 2012 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.test.hwui; |
| |
| import android.app.Activity; |
| import android.graphics.Color; |
| import android.os.Bundle; |
| import android.view.View; |
| import android.view.ViewGroup; |
| import android.widget.LinearLayout; |
| import android.widget.TextView; |
| |
| import java.util.ArrayList; |
| |
| public class ViewLayerInvalidationActivity extends Activity { |
| |
| int currentColor = Color.WHITE; |
| boolean nestedLayersOn = false; |
| ArrayList<LinearLayout> linearLayouts = new ArrayList<LinearLayout>(); |
| ArrayList<LinearLayout> topLayouts = new ArrayList<LinearLayout>(); |
| ArrayList<TextView> textViews = new ArrayList<TextView>(); |
| LinearLayout container = null; |
| boolean randomInvalidates = false; |
| TextView nestedStatusTV, invalidateStatusTV; |
| static final String NO_NESTING = "Nested Layer: NO "; |
| static final String NESTING = "Nested Layers: YES "; |
| static final String NO_INVALIDATING = "Random Invalidating: NO "; |
| static final String INVALIDATING = "Random Invalidating: YES "; |
| static final int TEXT_COLOR_INTERVAL = 400; |
| static final int INVALIDATING_INTERVAL = 1000; |
| static final int NESTING_INTERVAL = 2000; |
| |
| @Override |
| public void onCreate(Bundle savedInstanceState) { |
| super.onCreate(savedInstanceState); |
| setContentView(R.layout.view_layer_invalidation); |
| |
| container = findViewById(R.id.container); |
| final LinearLayout container1 = findViewById(R.id.container1); |
| final LinearLayout container2 = findViewById(R.id.container2); |
| final LinearLayout container3 = findViewById(R.id.container3); |
| nestedStatusTV = findViewById(R.id.nestedStatus); |
| invalidateStatusTV = findViewById(R.id.invalidateStatus); |
| final TextView tva = findViewById(R.id.textviewa); |
| |
| topLayouts.add(container1); |
| topLayouts.add(container2); |
| topLayouts.add(container3); |
| |
| collectLinearLayouts(container); |
| collectTextViews(container); |
| |
| nestedStatusTV.setText(NO_NESTING); |
| invalidateStatusTV.setText(NO_INVALIDATING); |
| |
| tva.setLayerType(View.LAYER_TYPE_HARDWARE, null); |
| container1.setLayerType(View.LAYER_TYPE_HARDWARE, null); |
| container2.setLayerType(View.LAYER_TYPE_HARDWARE, null); |
| container3.setLayerType(View.LAYER_TYPE_HARDWARE, null); |
| |
| container.postDelayed(textColorSetter, TEXT_COLOR_INTERVAL); |
| container.postDelayed(nestedLayerSetter, NESTING_INTERVAL); |
| container.postDelayed(randomInvalidatesSetter, INVALIDATING_INTERVAL); |
| } |
| |
| private Runnable textColorSetter = new Runnable() { |
| @Override |
| public void run() { |
| currentColor = (currentColor == Color.WHITE) ? Color.RED : Color.WHITE; |
| for (TextView tv : textViews) { |
| tv.setTextColor(currentColor); |
| } |
| if (randomInvalidates) { |
| randomInvalidator(container); |
| } |
| container.postDelayed(textColorSetter, TEXT_COLOR_INTERVAL); |
| } |
| }; |
| |
| private Runnable randomInvalidatesSetter = new Runnable() { |
| @Override |
| public void run() { |
| randomInvalidates = !randomInvalidates; |
| invalidateStatusTV.setText(randomInvalidates ? INVALIDATING : NO_INVALIDATING); |
| container.postDelayed(randomInvalidatesSetter, INVALIDATING_INTERVAL); |
| } |
| }; |
| |
| private Runnable nestedLayerSetter = new Runnable() { |
| @Override |
| public void run() { |
| nestedLayersOn = !nestedLayersOn; |
| nestedStatusTV.setText(nestedLayersOn ? NESTING : NO_NESTING); |
| for (LinearLayout layout : linearLayouts) { |
| layout.setLayerType(nestedLayersOn ? |
| View.LAYER_TYPE_HARDWARE : View.LAYER_TYPE_NONE, null); |
| } |
| if (!nestedLayersOn) { |
| for (LinearLayout layout : topLayouts) { |
| layout.setLayerType(View.LAYER_TYPE_HARDWARE, null); |
| } |
| } |
| container.postDelayed(nestedLayerSetter, NESTING_INTERVAL); |
| } |
| }; |
| |
| /** |
| * Invalidates views based on random chance (50%). This is meant to test |
| * invalidating several items in the hierarchy at the same time, which can cause artifacts |
| * if our invalidation-propagation logic is not sound. |
| */ |
| private void randomInvalidator(ViewGroup parent) { |
| for (int i = 0; i < parent.getChildCount(); ++i) { |
| View child = parent.getChildAt(i); |
| if (Math.random() < .5) { |
| child.invalidate(); |
| } |
| if (child instanceof ViewGroup) { |
| randomInvalidator((ViewGroup) child); |
| } |
| } |
| } |
| |
| private void collectLinearLayouts(View view) { |
| if (!(view instanceof LinearLayout)) { |
| return; |
| } |
| LinearLayout parent = (LinearLayout) view; |
| linearLayouts.add(parent); |
| for (int i = 0; i < parent.getChildCount(); ++i) { |
| collectLinearLayouts(parent.getChildAt(i)); |
| } |
| } |
| |
| private void collectTextViews(View view) { |
| if (view instanceof TextView) { |
| textViews.add((TextView) view); |
| return; |
| } |
| if (!(view instanceof ViewGroup)) { |
| return; |
| } |
| ViewGroup parent = (ViewGroup) view; |
| for (int i = 0; i < parent.getChildCount(); ++i) { |
| collectTextViews(parent.getChildAt(i)); |
| } |
| } |
| } |