| /* |
| * 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.content.Context; |
| import android.graphics.Canvas; |
| import android.graphics.Paint; |
| import android.os.Bundle; |
| import android.view.View; |
| import android.widget.LinearLayout; |
| |
| @SuppressWarnings("UnusedDeclaration") |
| public class MultiLayersActivity extends Activity { |
| @Override |
| protected void onCreate(Bundle savedInstanceState) { |
| super.onCreate(savedInstanceState); |
| |
| LinearLayout grid = new LinearLayout(this); |
| grid.setOrientation(LinearLayout.VERTICAL); |
| |
| LinearLayout row1 = new LinearLayout(this); |
| row1.setOrientation(LinearLayout.HORIZONTAL); |
| grid.addView(row1, new LinearLayout.LayoutParams( |
| LinearLayout.LayoutParams.MATCH_PARENT, 0, 1.0f)); |
| |
| LinearLayout row2 = new LinearLayout(this); |
| row2.setOrientation(LinearLayout.HORIZONTAL); |
| grid.addView(row2, new LinearLayout.LayoutParams( |
| LinearLayout.LayoutParams.MATCH_PARENT, 0, 1.0f)); |
| |
| row1.addView(new LayerView(this, 0xffff0000), new LinearLayout.LayoutParams( |
| 0, LinearLayout.LayoutParams.MATCH_PARENT, 1.0f)); |
| row1.addView(new LayerView(this, 0xff00ff00), new LinearLayout.LayoutParams( |
| 0, LinearLayout.LayoutParams.MATCH_PARENT, 1.0f)); |
| |
| row2.addView(new LayerView(this, 0xff0000ff), new LinearLayout.LayoutParams( |
| 0, LinearLayout.LayoutParams.MATCH_PARENT, 1.0f)); |
| row2.addView(new LayerView(this, 0xffffff00), new LinearLayout.LayoutParams( |
| 0, LinearLayout.LayoutParams.MATCH_PARENT, 1.0f)); |
| |
| setContentView(grid); |
| } |
| |
| private class LayerView extends View { |
| private final Paint mPaint; |
| |
| public LayerView(Context context, int color) { |
| super(context); |
| mPaint = new Paint(); |
| mPaint.setColor(color); |
| setLayerType(LAYER_TYPE_HARDWARE, null); |
| } |
| |
| @Override |
| protected void onDraw(Canvas canvas) { |
| canvas.drawRect(0.0f, 0.0f, getWidth(), getHeight(), mPaint); |
| invalidate(); |
| } |
| } |
| } |