1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
|
/*
* Copyright 2012 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
package com.skia;
import android.app.ActionBar;
import android.app.Activity;
import android.app.DownloadManager;
import android.content.Intent;
import android.content.Context;
import android.os.Build;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.view.KeyEvent;
import android.view.Menu;
import android.view.MenuItem;
import android.view.ViewGroup;
import android.widget.ArrayAdapter;
import android.widget.LinearLayout;
import android.widget.TextView;
import java.io.File;
public class SkiaSampleActivity extends Activity
{
private TextView mTitle;
private SkiaSampleView mSampleView;
private ArrayAdapter<String> mSlideList;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.layout);
mTitle = (TextView) findViewById(R.id.title_view);
mSlideList = new ArrayAdapter<String>(this, android.R.layout.simple_expandable_list_item_1);
try {
System.loadLibrary("skia_android");
} catch (UnsatisfiedLinkError e) {
// This might be because skia was linked to SampleApp statically.
}
try {
System.loadLibrary("SampleApp");
createSampleView(false, 0);
setupActionBar();
} catch (UnsatisfiedLinkError e) {
mTitle.setText("ERROR: native library could not be loaded");
}
}
private void createSampleView(boolean useOpenGLAPI, int msaaSampleCount) {
if (mSampleView != null) {
ViewGroup viewGroup = (ViewGroup) mSampleView.getParent();
viewGroup.removeView(mSampleView);
mSampleView.terminate();
}
// intent get intent extras if triggered from the command line
Intent intent = this.getIntent();
String flags = intent.getStringExtra("cmdLineFlags");
if (flags == null || flags.isEmpty()) {
flags = "--pictureDir /data/local/tmp/skia_skp ";
flags += "--resourcePath /data/local/tmp/skia_resources ";
}
mSampleView = new SkiaSampleView(this, flags, useOpenGLAPI, msaaSampleCount);
LinearLayout holder = (LinearLayout) findViewById(R.id.holder);
holder.addView(mSampleView, new LinearLayout.LayoutParams(
ViewGroup.LayoutParams.MATCH_PARENT,
ViewGroup.LayoutParams.MATCH_PARENT));
}
private void setupActionBar() {
ActionBar.OnNavigationListener navigationCallback = new ActionBar.OnNavigationListener() {
@Override
public boolean onNavigationItemSelected(int position, long itemId) {
mSampleView.goToSample(position);
return true;
}
};
ActionBar actionBar = getActionBar();
actionBar.setDisplayShowHomeEnabled(false);
actionBar.setDisplayShowTitleEnabled(false);
actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_LIST);
actionBar.setListNavigationCallbacks(mSlideList, navigationCallback);
}
@Override
protected void onResume () {
super.onResume();
if (mSampleView != null && mSampleView.getWidth() > 0 && mSampleView.getHeight() > 0) {
//TODO try mSampleView.requestRender() instead
mSampleView.inval();
}
}
@Override
public void onDestroy() {
if (mSampleView != null) {
mSampleView.terminate();
}
super.onDestroy();
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
getMenuInflater().inflate(R.menu.action_bar, menu);
return true;
}
@Override
public boolean onPrepareOptionsMenu(Menu menu) {
if (mSampleView != null) {
if (Build.VERSION.SDK_INT < Build.VERSION_CODES.JELLY_BEAN_MR1) {
((MenuItem) menu.findItem(R.id.glcontext_menu))
.setEnabled(false);
} else {
boolean usesOpenGLAPI = mSampleView.getUsesOpenGLAPI();
boolean isMSAA4 = mSampleView.getMSAASampleCount() == 4;
((MenuItem) menu.findItem(R.id.glcontext_opengles))
.setChecked(!usesOpenGLAPI && !isMSAA4);
((MenuItem) menu.findItem(R.id.glcontext_msaa4_opengles))
.setChecked(!usesOpenGLAPI && isMSAA4);
((MenuItem) menu.findItem(R.id.glcontext_opengl))
.setChecked(usesOpenGLAPI && !isMSAA4);
((MenuItem) menu.findItem(R.id.glcontext_msaa4_opengl))
.setChecked(usesOpenGLAPI && isMSAA4);
}
}
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
if (mSampleView == null) {
return false;
}
switch (item.getItemId()) {
case R.id.overview:
mSampleView.showOverview();
return true;
case R.id.prev:
mSampleView.previousSample();
return true;
case R.id.next:
mSampleView.nextSample();
return true;
case R.id.toggle_rendering:
mSampleView.toggleRenderingMode();
return true;
case R.id.slideshow:
mSampleView.toggleSlideshow();
return true;
case R.id.fps:
mSampleView.toggleFPS();
return true;
case R.id.tiling:
mSampleView.toggleTiling();
return true;
case R.id.bbox:
mSampleView.toggleBBox();
return true;
case R.id.save_to_pdf:
mSampleView.saveToPDF();
return true;
case R.id.glcontext_opengles:
return setOpenGLContextSettings(false, 0);
case R.id.glcontext_msaa4_opengles:
return setOpenGLContextSettings(false, 4);
case R.id.glcontext_opengl:
return setOpenGLContextSettings(true, 0);
case R.id.glcontext_msaa4_opengl:
return setOpenGLContextSettings(true, 4);
default:
return false;
}
}
@Override
public boolean dispatchKeyEvent(KeyEvent event) {
final int keycode = event.getKeyCode();
if (keycode == KeyEvent.KEYCODE_BACK) {
if (event.getAction() == KeyEvent.ACTION_UP) {
finish();
}
return true;
}
return false;
}
private static final int SET_TITLE = 1;
private static final int SET_SLIDES = 2;
private Handler mHandler = new Handler() {
@Override
public void handleMessage(Message msg) {
switch (msg.what) {
case SET_TITLE:
mTitle.setText((String) msg.obj);
SkiaSampleActivity.this.getActionBar().setSubtitle((String) msg.obj);
break;
case SET_SLIDES:
mSlideList.addAll((String[]) msg.obj);
break;
default:
break;
}
}
};
// Called by JNI
@Override
public void setTitle(CharSequence title) {
mHandler.obtainMessage(SET_TITLE, title).sendToTarget();
}
// Called by JNI
public void setSlideList(String[] slideList) {
mHandler.obtainMessage(SET_SLIDES, slideList).sendToTarget();
}
private boolean setOpenGLContextSettings(boolean requestedOpenGLAPI, int requestedSampleCount) {
if (mSampleView != null &&
mSampleView.getMSAASampleCount() == requestedSampleCount &&
mSampleView.getUsesOpenGLAPI() == requestedOpenGLAPI) {
return true;
}
createSampleView(requestedOpenGLAPI, requestedSampleCount);
return true;
}
}
|
