我有2项活动 Activity A = GameActivity使用PhotoTask.class的一个实例,它扩展了AsyncTask并用于获取和保存图片。保存图片后,我启动Activity B = ShareActivity。
当我拍照并且不改变方向时,活动B被调用并且一切正常。然而,如果我改变屏幕的方向来拍照(我从肖像传递到风景)我无法启动活动B而且我有错误。
02-01 16:09:36.571: E/AndroidRuntime(13362): FATAL EXCEPTION: main
02-01 16:09:36.571: E/AndroidRuntime(13362): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.kersplatt/com.example.kersplatt.ShareActivity}: android.view.InflateException: Binary XML file line #29: Error inflating class <unknown>
02-01 16:09:36.571: E/AndroidRuntime(13362): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1647)
02-01 16:09:36.571: E/AndroidRuntime(13362): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1663)
02-01 16:09:36.571: E/AndroidRuntime(13362): at android.app.ActivityThread.access$1500(ActivityThread.java:117)
02-01 16:09:36.571: E/AndroidRuntime(13362): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:931)
02-01 16:09:36.571: E/AndroidRuntime(13362): at android.os.Handler.dispatchMessage(Handler.java:99)
02-01 16:09:36.571: E/AndroidRuntime(13362): at android.os.Looper.loop(Looper.java:130)
02-01 16:09:36.571: E/AndroidRuntime(13362): at android.app.ActivityThread.main(ActivityThread.java:3683)
02-01 16:09:36.571: E/AndroidRuntime(13362): at java.lang.reflect.Method.invokeNative(Native Method)
02-01 16:09:36.571: E/AndroidRuntime(13362): at java.lang.reflect.Method.invoke(Method.java:507)
02-01 16:09:36.571: E/AndroidRuntime(13362): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:875)
02-01 16:09:36.571: E/AndroidRuntime(13362): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:633)
02-01 16:09:36.571: E/AndroidRuntime(13362): at dalvik.system.NativeStart.main(Native Method)
02-01 16:09:36.571: E/AndroidRuntime(13362): Caused by: android.view.InflateException: Binary XML file line #29: Error inflating class <unknown>
02-01 16:09:36.571: E/AndroidRuntime(13362): at android.view.LayoutInflater.createView(LayoutInflater.java:518)
02-01 16:09:36.571: E/AndroidRuntime(13362): at com.android.internal.policy.impl.PhoneLayoutInflater.onCreateView(PhoneLayoutInflater.java:56)
02-01 16:09:36.571: E/AndroidRuntime(13362): at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:568)
02-01 16:09:36.571: E/AndroidRuntime(13362): at android.view.LayoutInflater.rInflate(LayoutInflater.java:623)
02-01 16:09:36.571: E/AndroidRuntime(13362): at android.view.LayoutInflater.rInflate(LayoutInflater.java:626)
02-01 16:09:36.571: E/AndroidRuntime(13362): at android.view.LayoutInflater.inflate(LayoutInflater.java:408)
02-01 16:09:36.571: E/AndroidRuntime(13362): at android.view.LayoutInflater.inflate(LayoutInflater.java:320)
02-01 16:09:36.571: E/AndroidRuntime(13362): at android.view.LayoutInflater.inflate(LayoutInflater.java:276)
02-01 16:09:36.571: E/AndroidRuntime(13362): at com.android.internal.policy.impl.PhoneWindow.setContentView(PhoneWindow.java:209)
02-01 16:09:36.571: E/AndroidRuntime(13362): at android.app.Activity.setContentView(Activity.java:1657)
02-01 16:09:36.571: E/AndroidRuntime(13362): at com.example.kersplatt.ShareActivity.onCreate(ShareActivity.java:64)
02-01 16:09:36.571: E/AndroidRuntime(13362): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1047)
02-01 16:09:36.571: E/AndroidRuntime(13362): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1611)
02-01 16:09:36.571: E/AndroidRuntime(13362): ... 11 more
02-01 16:09:36.571: E/AndroidRuntime(13362): Caused by: java.lang.reflect.InvocationTargetException
02-01 16:09:36.571: E/AndroidRuntime(13362): at java.lang.reflect.Constructor.constructNative(Native Method)
02-01 16:09:36.571: E/AndroidRuntime(13362): at java.lang.reflect.Constructor.newInstance(Constructor.java:415)
02-01 16:09:36.571: E/AndroidRuntime(13362): at android.view.LayoutInflater.createView(LayoutInflater.java:505)
02-01 16:09:36.571: E/AndroidRuntime(13362): ... 23 more
02-01 16:09:36.571: E/AndroidRuntime(13362): Caused by: java.lang.OutOfMemoryError: bitmap size exceeds VM budget
02-01 16:09:36.571: E/AndroidRuntime(13362): at android.graphics.BitmapFactory.nativeDecodeAsset(Native Method)
02-01 16:09:36.571: E/AndroidRuntime(13362): at android.graphics.BitmapFactory.decodeStream(BitmapFactory.java:460)
02-01 16:09:36.571: E/AndroidRuntime(13362): at android.graphics.BitmapFactory.decodeResourceStream(BitmapFactory.java:336)
02-01 16:09:36.571: E/AndroidRuntime(13362): at android.graphics.drawable.Drawable.createFromResourceStream(Drawable.java:697)
02-01 16:09:36.571: E/AndroidRuntime(13362): at android.content.res.Resources.loadDrawable(Resources.java:1709)
02-01 16:09:36.571: E/AndroidRuntime(13362): at android.content.res.TypedArray.getDrawable(TypedArray.java:601)
02-01 16:09:36.571: E/AndroidRuntime(13362): at android.widget.ImageView.<init>(ImageView.java:118)
02-01 16:09:36.571: E/AndroidRuntime(13362): at android.widget.ImageView.<init>(ImageView.java:108)
02-01 16:09:36.571: E/AndroidRuntime(13362): ... 26 more
我甚至在代码中使用位图图片进行了评论,但仍然存在位图错误!
我在清单中添加了configChanges:orientation,回收我的bnitmaps,使用了一个活动的WeakReference而不是acitvity本身作为PhotoTask中的变量,试图用eclipse内存分析器(Android: Detecting leaks with Eclipse Memory Analyzer)查看内存泄漏但不明白为什么我有这些错误
我真的经常搜索,我变得非常绝望,所以如果你能帮助我,那就太好了
获取您的信息,我的代码
public class ShareActivity extends Activity implements OnClickListener{
public static final String APP_ID = "477110419013909";
Facebook facebook = new Facebook(APP_ID);
AsyncFacebookRunner mAsyncRunner = new AsyncFacebookRunner(facebook);
String FILENAME = "AndroidSSO_data";
SharedPreferences mPrefs;
Handler mHandler;
File file;
byte[] bytes;
@Override
protected void onCreate(Bundle savedInstanceState) {
Log.w("SHAREACTIVITY","SECOND");
super.onCreate(savedInstanceState);
setContentView(R.layout.share);
file = (File) this.getIntent().getExtras().get("PICTURE_TAKEN");
Bitmap bitmap = BitmapFactory.decodeFile(file.getAbsolutePath());
Bitmap mutableBitmap = bitmap.copy(Bitmap.Config.ARGB_8888, true);
ImageView image5 = (ImageView) findViewById(R.id.imageView5);
image5.setImageBitmap(mutableBitmap);
bitmap.recycle();
mutableBitmap.recycle();
}
CLASS PHOTOTASK
public class PhotoTask extends AsyncTask<Boolean, Void, Void> {
private Camera camera;
private SurfaceView surfaceCamera;
private boolean isPreview=false;
private SurfaceHolder holder;
private WeakReference<GameActivity> weakgameactivity;
GameActivity gameactivity;
private File output;
public PhotoTask(Camera camera, SurfaceView surfaceCamera,boolean isPreview, SurfaceHolder holder, GameActivity gameactivity) {
super();
this.camera = camera;
this.surfaceCamera = surfaceCamera;
this.isPreview = isPreview;
this.holder = holder;
this.weakgameactivity = new WeakReference<GameActivity>(gameactivity);
this.gameactivity=this.weakgameactivity.get();
}
PictureCallback myPictureCallback_JPG = new PictureCallback(){
@Override
public void onPictureTaken(byte[] data, Camera camera) {
Log.w("GAMEACTIVITY","FIRST");
// ImageView image5 = (ImageView) gameactivity.findViewById(R.id.imageView6);
File imagesFolder = new File(Environment.getExternalStorageDirectory(), "/KersplattFolder");
imagesFolder.mkdirs();
SimpleDateFormat dateFormat = new SimpleDateFormat("yyyymmddhhmmss");
String date = dateFormat.format(new Date());
String fileName = "Kersplatt_" + date + ".jpg";
output = new File(imagesFolder, fileName);
ImageView view = (ImageView) gameactivity.findViewById(R.id.imageView6);
view.setDrawingCacheEnabled(true);
Bitmap b = view.getDrawingCache();
FileOutputStream fos = null;
try {
fos = new FileOutputStream(output);
} catch (FileNotFoundException e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
}
b.compress(CompressFormat.JPEG, 95, fos);
try {
fos.write(data);
fos.close();
} catch (FileNotFoundException e) {
e.printStackTrace();
}
catch (IOException e) {
e.printStackTrace();
}
camera.stopPreview();
Log.w("GAMEACTIVITY","INTENT");
b.recycle();
Intent intent = new Intent(gameactivity.getApplicationContext(),ShareActivity.class);
// Sending the picture taken to ShareActivity
intent.putExtra("PICTURE_TAKEN", output);
gameactivity.startActivity(intent);
}
};
@Override
protected Void doInBackground(Boolean... params) {
camera.takePicture(null,null, myPictureCallback_JPG);
Log.w("GAMEACTIVITY","TAKEPICTURE");
return null;
}
}
答案 0 :(得分:0)
可能会发生两件事。
由于您说只有在更改方向时才会出现问题,这表明您的活动被保留在内存中。某些引用(静态或与您的活动的生命周期不同步)可能会阻止GC清除旧实例,然后才能对新更改的方向进行夸大。
其次,您正试图将整张照片打成ImageView。这是一个坏主意,因为照片可能巨大并且会占用大量内存。它甚至可能导致OOME没有上述问题。考虑以较低的样本大小as illustrated in this example解码位图。