1/* 2 * Copyright (C) 2011 Skia 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17package com.skia.sampleapp; 18 19import android.app.Activity; 20import android.content.Context; 21import android.graphics.Canvas; 22import android.os.Bundle; 23import android.util.AttributeSet; 24import android.view.KeyEvent; 25import android.view.MotionEvent; 26import android.view.View; 27import android.view.ViewGroup; 28import android.widget.LinearLayout; 29import android.widget.TextView; 30 31public class SampleApp extends Activity 32{ 33 private TextView mTitle; 34 35 public class SampleView extends View { 36 public SampleView(Context context) { 37 super(context); 38 createOSWindow(this); 39 } 40 41 @Override 42 protected void onDraw(Canvas canvas) { 43 drawToCanvas(canvas); 44 } 45 46 @Override 47 protected void onSizeChanged(int w, int h, int oldw, int oldh) { 48 updateSize(w, h); 49 } 50 51 @Override 52 public boolean onTouchEvent(MotionEvent event) { 53 final int x = (int) event.getX(); 54 final int y = (int) event.getY(); 55 final int action = event.getAction(); 56 handleClick(x, y, action); 57 return true; 58 } 59 } 60 61 @Override 62 public void onCreate(Bundle savedInstanceState) 63 { 64 super.onCreate(savedInstanceState); 65 66 init(); 67 setContentView(R.layout.layout); 68 mTitle = (TextView) findViewById(R.id.title_view); 69 LinearLayout holder = (LinearLayout) findViewById(R.id.holder); 70 View view = new SampleView(this); 71 holder.addView(view, new LinearLayout.LayoutParams( 72 ViewGroup.LayoutParams.MATCH_PARENT, 73 ViewGroup.LayoutParams.MATCH_PARENT)); 74 } 75 76 @Override 77 public void onDestroy() 78 { 79 term(); 80 super.onDestroy(); 81 } 82 83 @Override 84 public boolean dispatchKeyEvent(KeyEvent event) { 85 switch (event.getAction()) { 86 case KeyEvent.ACTION_DOWN: 87 int uni = event.getUnicodeChar(event.getMetaState()); 88 return handleKeyDown(event.getKeyCode(), uni); 89 case KeyEvent.ACTION_UP: 90 return handleKeyUp(event.getKeyCode()); 91 default: 92 return false; 93 } 94 } 95 96 @Override 97 public void setTitle(CharSequence title) { 98 mTitle.setText(title); 99 } 100 101 private native void drawToCanvas(Canvas canvas); 102 private native void init(); 103 private native void term(); 104 // Currently depends on init having already been called. 105 private native void createOSWindow(SampleView view); 106 private native void updateSize(int w, int h); 107 private native void handleClick(int x, int y, int state); 108 private native boolean handleKeyDown(int key, int uni); 109 private native boolean handleKeyUp(int key); 110 111 static { 112 System.loadLibrary("skia-sample"); 113 } 114} 115