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你好,我是初學者在android系統的深化發展應用程序時,我試圖從我的主機保存的圖像我得到這個錯誤了java.lang.RuntimeException:在執行doInBackground()致命異常時出錯:#的AsyncTask 2
這個應用程式的改變手機的背景和WhatsApp的背景時,我想改變WhatsApp的背景我得到這個錯誤
04-07 20:00:04.655 19211-19269/com.anasraf.whatsappwallpaperhd W/dalvikvm: threadid=14: thread exiting with uncaught exception (group=0xa4b65648)
04-07 20:00:04.659 19211-19269/com.anasraf.whatsappwallpaperhd E/AndroidRuntime: FATAL EXCEPTION: AsyncTask #2
04-07 20:00:04.659 19211-19269/com.anasraf.whatsappwallpaperhd E/AndroidRuntime: java.lang.RuntimeException: An error occured while executing doInBackground()
04-07 20:00:04.659 19211-19269/com.anasraf.whatsappwallpaperhd E/AndroidRuntime: at android.os.AsyncTask$3.done(AsyncTask.java:299)
04-07 20:00:04.659 19211-19269/com.anasraf.whatsappwallpaperhd E/AndroidRuntime: at java.util.concurrent.FutureTask.finishCompletion(FutureTask.java:352)
04-07 20:00:04.659 19211-19269/com.anasraf.whatsappwallpaperhd E/AndroidRuntime: at java.util.concurrent.FutureTask.setException(FutureTask.java:219)
04-07 20:00:04.659 19211-19269/com.anasraf.whatsappwallpaperhd E/AndroidRuntime: at java.util.concurrent.FutureTask.run(FutureTask.java:239)
04-07 20:00:04.659 19211-19269/com.anasraf.whatsappwallpaperhd E/AndroidRuntime: at android.os.AsyncTask$SerialExecutor$1.run(AsyncTask.java:230)
04-07 20:00:04.659 19211-19269/com.anasraf.whatsappwallpaperhd E/AndroidRuntime: at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1080)
04-07 20:00:04.659 19211-19269/com.anasraf.whatsappwallpaperhd E/AndroidRuntime: at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:573)
04-07 20:00:04.659 19211-19269/com.anasraf.whatsappwallpaperhd E/AndroidRuntime: at java.lang.Thread.run(Thread.java:841)
04-07 20:00:04.659 19211-19269/com.anasraf.whatsappwallpaperhd E/AndroidRuntime: Caused by: java.lang.OutOfMemoryError
04-07 20:00:04.659 19211-19269/com.anasraf.whatsappwallpaperhd E/AndroidRuntime: at android.graphics.BitmapFactory.nativeDecodeStream(Native Method)
04-07 20:00:04.659 19211-19269/com.anasraf.whatsappwallpaperhd E/AndroidRuntime: at android.graphics.BitmapFactory.decodeStream(BitmapFactory.java:530)
04-07 20:00:04.659 19211-19269/com.anasraf.whatsappwallpaperhd E/AndroidRuntime: at android.graphics.BitmapFactory.decodeStream(BitmapFactory.java:603)
04-07 20:00:04.659 19211-19269/com.anasraf.whatsappwallpaperhd E/AndroidRuntime: at com.anasraf.whatsappwallpaperhd.SlideImageActivity$SaveTask.doInBackground(SlideImageActivity.java:599)
04-07 20:00:04.659 19211-19269/com.anasraf.whatsappwallpaperhd E/AndroidRuntime: at com.anasraf.whatsappwallpaperhd.SlideImageActivity$SaveTask.doInBackground(SlideImageActivity.java:558)
04-07 20:00:04.659 19211-19269/com.anasraf.whatsappwallpaperhd E/AndroidRuntime: at android.os.AsyncTask$2.call(AsyncTask.java:287)
04-07 20:00:04.659 19211-19269/com.anasraf.whatsappwallpaperhd E/AndroidRuntime: at java.util.concurrent.FutureTask.run(FutureTask.java:234)
04-07 20:00:04.659 19211-19269/com.anasraf.whatsappwallpaperhd E/AndroidRuntime: at android.os.AsyncTask$SerialExecutor$1.run(AsyncTask.java:230)
04-07 20:00:04.659 19211-19269/com.anasraf.whatsappwallpaperhd E/AndroidRuntime: at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1080)
04-07 20:00:04.659 19211-19269/com.anasraf.whatsappwallpaperhd E/AndroidRuntime: at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:573)
04-07 20:00:04.659 19211-19269/com.anasraf.whatsappwallpaperhd E/AndroidRuntime: at java.lang.Thread.run(Thread.java:841)
04-07 20:00:06.475 19211-19211/com.anasraf.whatsappwallpaperhd W/EGL_genymotion: eglSurfaceAttrib not implemented
04-07 20:00:07.247 19211-19211/com.anasraf.whatsappwallpaperhd E/WindowManager: Activity com.anasraf.whatsappwallpaperhd.SlideImageActivity has leaked window com.android.internal.policy.impl.PhoneWindow$DecorView{52c576f8 V.E..... R......D 0,0-684,192} that was originally added here
04-07 20:00:07.247 19211-19211/com.anasraf.whatsappwallpaperhd E/WindowManager: android.view.WindowLeaked: Activity com.anasraf.whatsappwallpaperhd.SlideImageActivity has leaked window com.android.internal.policy.impl.PhoneWindow$DecorView{52c576f8 V.E..... R......D 0,0-684,192} that was originally added here
04-07 20:00:07.247 19211-19211/com.anasraf.whatsappwallpaperhd E/WindowManager: at android.view.ViewRootImpl.<init>(ViewRootImpl.java:345)
04-07 20:00:07.247 19211-19211/com.anasraf.whatsappwallpaperhd E/WindowManager: at android.view.WindowManagerGlobal.addView(WindowManagerGlobal.java:239)
04-07 20:00:07.247 19211-19211/com.anasraf.whatsappwallpaperhd E/WindowManager: at android.view.WindowManagerImpl.addView(WindowManagerImpl.java:69)
04-07 20:00:07.247 19211-19211/com.anasraf.whatsappwallpaperhd E/WindowManager: at android.app.Dialog.show(Dialog.java:281)
04-07 20:00:07.247 19211-19211/com.anasraf.whatsappwallpaperhd E/WindowManager: at com.anasraf.whatsappwallpaperhd.SlideImageActivity$SaveTask.onPreExecute(SlideImageActivity.java:582)
04-07 20:00:07.247 19211-19211/com.anasraf.whatsappwallpaperhd E/WindowManager: at android.os.AsyncTask.executeOnExecutor(AsyncTask.java:586)
04-07 20:00:07.247 19211-19211/com.anasraf.whatsappwallpaperhd E/WindowManager: at android.os.AsyncTask.execute(AsyncTask.java:534)
04-07 20:00:07.247 19211-19211/com.anasraf.whatsappwallpaperhd E/WindowManager: at com.anasraf.whatsappwallpaperhd.SlideImageActivity.onOptionsItemSelected(SlideImageActivity.java:272)
04-07 20:00:07.247 19211-19211/com.anasraf.whatsappwallpaperhd E/WindowManager: at android.app.Activity.onMenuItemSelected(Activity.java:2566)
04-07 20:00:07.247 19211-19211/com.anasraf.whatsappwallpaperhd E/WindowManager: at android.support.v4.app.FragmentActivity.onMenuItemSelected(FragmentActivity.java:350)
04-07 20:00:07.247 19211-19211/com.anasraf.whatsappwallpaperhd E/WindowManager: at android.support.v7.app.ActionBarActivity.onMenuItemSelected(ActionBarActivity.java:155)
04-07 20:00:07.247 19211-19211/com.anasraf.whatsappwallpaperhd E/WindowManager: at android.support.v7.app.ActionBarActivityDelegate$1.onMenuItemSelected(ActionBarActivityDelegate.java:74)
04-07 20:00:07.247 19211-19211/com.anasraf.whatsappwallpaperhd E/WindowManager: at android.support.v7.widget.WindowCallbackWrapper.onMenuItemSelected(WindowCallbackWrapper.java:44)
04-07 20:00:07.247 19211-19211/com.anasraf.whatsappwallpaperhd E/WindowManager: at android.support.v7.internal.app.ToolbarActionBar$2.onMenuItemClick(ToolbarActionBar.java:77)
04-07 20:00:07.247 19211-19211/com.anasraf.whatsappwallpaperhd E/WindowManager: at android.support.v7.widget.Toolbar$1.onMenuItemClick(Toolbar.java:163)
04-07 20:00:07.247 19211-19211/com.anasraf.whatsappwallpaperhd E/WindowManager: at android.support.v7.widget.ActionMenuView$MenuBuilderCallback.onMenuItemSelected(ActionMenuView.java:738)
04-07 20:00:07.247 19211-19211/com.anasraf.whatsappwallpaperhd E/WindowManager: at android.support.v7.internal.view.menu.MenuBuilder.dispatchMenuItemSelected(MenuBuilder.java:802)
04-07 20:00:07.247 19211-19211/com.anasraf.whatsappwallpaperhd E/WindowManager: at android.support.v7.internal.view.menu.MenuItemImpl.invoke(MenuItemImpl.java:153)
04-07 20:00:07.247 19211-19211/com.anasraf.whatsappwallpaperhd E/WindowManager: at android.support.v7.internal.view.menu.MenuBuilder.performItemAction(MenuBuilder.java:949)
04-07 20:00:07.247 19211-19211/com.anasraf.whatsappwallpaperhd E/WindowManager: at android.support.v7.internal.view.menu.MenuBuilder.performItemAction(MenuBuilder.java:939)
04-07 20:00:07.247 19211-19211/com.anasraf.whatsappwallpaperhd E/WindowManager: at android.support.v7.internal.view.menu.MenuPopupHelper.onItemClick(MenuPopupHelper.java:187)
04-07 20:00:07.247 19211-19211/com.anasraf.whatsappwallpaperhd E/WindowManager: at android.widget.AdapterView.performItemClick(AdapterView.java:298)
04-07 20:00:07.247 19211-19211/com.anasraf.whatsappwallpaperhd E/WindowManager: at android.widget.AbsListView.performItemClick(AbsListView.java:1100)
04-07 20:00:07.247 19211-19211/com.anasraf.whatsappwallpaperhd E/WindowManager: at android.widget.AbsListView$PerformClick.run(AbsListView.java:2788)
04-07 20:00:07.247 19211-19211/com.anasraf.whatsappwallpaperhd E/WindowManager: at android.widget.AbsListView$1.run(AbsListView.java:3463)
04-07 20:00:07.247 19211-19211/com.anasraf.whatsappwallpaperhd E/WindowManager: at android.os.Handler.handleCallback(Handler.java:730)
04-07 20:00:07.247 19211-19211/com.anasraf.whatsappwallpaperhd E/WindowManager: at android.os.Handler.dispatchMessage(Handler.java:92)
04-07 20:00:07.247 19211-19211/com.anasraf.whatsappwallpaperhd E/WindowManager: at android.os.Looper.loop(Looper.java:137)
04-07 20:00:07.247 19211-19211/com.anasraf.whatsappwallpaperhd E/WindowManager: at android.app.ActivityThread.main(ActivityThread.java:5103)
04-07 20:00:07.247 19211-19211/com.anasraf.whatsappwallpaperhd E/WindowManager: at java.lang.reflect.Method.invokeNative(Native Method)
04-07 20:00:07.247 19211-19211/com.anasraf.whatsappwallpaperhd E/WindowManager: at java.lang.reflect.Method.invoke(Method.java:525)
04-07 20:00:07.247 19211-19211/com.anasraf.whatsappwallpaperhd E/WindowManager: at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:737)
04-07 20:00:07.247 19211-19211/com.anasraf.whatsappwallpaperhd E/WindowManager: at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:553)
04-07 20:00:07.247 19211-19211/com.anasraf.whatsappwallpaperhd E/WindowManager: at dalvik.system.NativeStart.main(Native Method)
import com.google.android.gms.ads.AdListener;
import com.google.android.gms.ads.AdRequest;
import com.google.android.gms.ads.InterstitialAd;
import com.nostra13.universalimageloader.core.ImageLoader;
import com.nostra13.universalimageloader.core.ImageLoaderConfiguration;
import com.nostra13.universalimageloader.core.assist.FailReason;
import com.nostra13.universalimageloader.core.assist.ImageLoadingListener;
import android.app.ProgressDialog;
import android.app.WallpaperManager;
import android.content.Context;
import android.content.Intent;
import android.graphics.Bitmap;
import android.os.AsyncTask;
import android.os.Bundle;
import android.support.v7.app.ActionBarActivity;
import android.support.v7.widget.Toolbar;
import android.view.MenuItem;
import android.view.View;
import android.widget.Toast;
import lib.cropper.wallpaper.CropImageView;
@SuppressWarnings("ALL")
public class SetAsWallpaperActivity extends ActionBarActivity {
private CropImageView mCropImageView;
String[] mImages,mCatName;
int position;
Toolbar toolbar;
private InterstitialAd interstitial;
@Override
protected void onCreate(Bundle savedInstanceState) {
// TODO Auto-generated method stub
super.onCreate(savedInstanceState);
setContentView(R.layout.layout_set_as_wallpaper);
toolbar = (Toolbar) findViewById(R.id.toolbar);
setSupportActionBar(toolbar);
getSupportActionBar().setDisplayHomeAsUpEnabled(true);
getSupportActionBar().setHomeButtonEnabled(true);
Intent i=getIntent();
mImages=i.getStringArrayExtra("WALLPAPER_IMAGE_URL");
mCatName=i.getStringArrayExtra("WALLPAPER_IMAGE_CATEGORY");
position=i.getIntExtra("POSITION_ID", 0);
mCropImageView = (CropImageView)findViewById(R.id.CropImageView);
ImageLoader.getInstance().init(ImageLoaderConfiguration.createDefault(getApplicationContext()));
ImageLoader.getInstance().loadImage(Constant.SERVER_IMAGE_DETAILS+mImages[position], new ImageLoadingListener() {
@Override
public void onLoadingStarted(String arg0, View arg1) {
// TODO Auto-generated method stub
}
@Override
public void onLoadingFailed(String arg0, View arg1, FailReason arg2) {
// TODO Auto-generated method stub
}
@Override
public void onLoadingComplete(String arg0, View arg1, Bitmap arg2) {
// TODO Auto-generated method stub
mCropImageView.setImageBitmap(arg2);
}
@Override
public void onLoadingCancelled(String arg0, View arg1) {
// TODO Auto-generated method stub
}
});
}
public void setAsWallpaper(View view) throws IOException
{
(new SetWallpaperTask(SetAsWallpaperActivity.this)).execute("");
}
public class SetWallpaperTask extends AsyncTask<String , String , String>
{
private Context context;
private ProgressDialog pDialog;
Bitmap bmImg = null;
public SetWallpaperTask(Context context) {
this.context = context;
}
@Override
protected void onPreExecute() {
// TODO Auto-generated method stub
super.onPreExecute();
pDialog = new ProgressDialog(context);
pDialog.setMessage("Wallpaer set ...");
pDialog.setIndeterminate(false);
pDialog.setCancelable(false);
pDialog.show();
}
@Override
protected String doInBackground(String... args) {
/* TODO Auto-generated method stub */
bmImg=mCropImageView.getCroppedImage();
return null;
}
@Override
protected void onPostExecute(String args) {
// TODO Auto-generated method stub
WallpaperManager wpm = WallpaperManager.getInstance(getApplicationContext()); // --The method context() is undefined for the type SetWallpaperTask
try {
wpm.setBitmap(bmImg);
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
pDialog.dismiss();
Toast.makeText(SetAsWallpaperActivity.this, "WallPaper Set", Toast.LENGTH_SHORT).show();
// Prepare the Interstitial Ad
interstitial = new InterstitialAd(SetAsWallpaperActivity.this);
// Insert the Ad Unit ID
interstitial.setAdUnitId(getString(R.string.admob_interstitial_id));
AdRequest adRequest = new AdRequest.Builder().build();
// Load ads into Interstitial Ads
interstitial.loadAd(adRequest);
// Prepare an Interstitial Ad Listener
interstitial.setAdListener(new AdListener() {
public void onAdLoaded() {
// Call displayInterstitial() function
// If Ads are loaded, show Interstitial else show nothing.
if (interstitial.isLoaded()) {
interstitial.show();
}
}
});
finish();
}
}
@Override
public boolean onOptionsItemSelected(MenuItem menuItem)
{
switch (menuItem.getItemId())
{
case android.R.id.home:
onBackPressed();
break;
default:
return super.onOptionsItemSelected(menuItem);
}
return true;
}
}
這個圖像加載器
公共類ImageLoader的{
MemoryCache memoryCache=new MemoryCache();
FileCache fileCache;
private Map<ImageView, String> imageViews=Collections.synchronizedMap(new WeakHashMap<ImageView, String>());
ExecutorService executorService;
public ImageLoader(Context context){
fileCache=new FileCache(context);
executorService=Executors.newFixedThreadPool(5);
}
final int stub_id= R.drawable.ic_launcher;
public void DisplayImage(String url, ImageView imageView)
{
imageViews.put(imageView, url);
Bitmap bitmap=memoryCache.get(url);
if(bitmap!=null)
imageView.setImageBitmap(bitmap);
else
{
queuePhoto(url, imageView);
imageView.setImageResource(stub_id);
}
}
private void queuePhoto(String url, ImageView imageView)
{
PhotoToLoad p=new PhotoToLoad(url, imageView);
executorService.submit(new PhotosLoader(p));
}
private Bitmap getBitmap(String url)
{
File f=fileCache.getFile(url);
//from SD cache
Bitmap b = decodeFile(f);
if(b!=null)
return b;
//from web
try {
Bitmap bitmap=null;
URL imageUrl = new URL(url);
HttpURLConnection conn = (HttpURLConnection)imageUrl.openConnection();
conn.setConnectTimeout(30000);
conn.setReadTimeout(30000);
conn.setInstanceFollowRedirects(true);
InputStream is=conn.getInputStream();
OutputStream os = new FileOutputStream(f);
Utils.CopyStream(is, os);
os.close();
bitmap = decodeFile(f);
return bitmap;
} catch (Exception ex){
ex.printStackTrace();
return null;
}
}
//decodes image and scales it to reduce memory consumption
private Bitmap decodeFile(File f){
try {
//decode image size
BitmapFactory.Options o = new BitmapFactory.Options();
o.inJustDecodeBounds = true;
BitmapFactory.decodeStream(new FileInputStream(f),null,o);
//Find the correct scale value. It should be the power of 2.
final int REQUIRED_SIZE=150;
int width_tmp=o.outWidth, height_tmp=o.outHeight;
int scale=1;
while(true){
if(width_tmp/2<REQUIRED_SIZE || height_tmp/2<REQUIRED_SIZE)
break;
width_tmp/=2;
height_tmp/=2;
scale*=2;
}
//decode with inSampleSize
BitmapFactory.Options o2 = new BitmapFactory.Options();
o2.inSampleSize=scale;
return BitmapFactory.decodeStream(new FileInputStream(f), null, o2);
} catch (FileNotFoundException e) {}
return null;
}
//Task for the queue
private class PhotoToLoad
{
public String url;
public ImageView imageView;
public PhotoToLoad(String u, ImageView i){
url=u;
imageView=i;
}
}
class PhotosLoader implements Runnable {
PhotoToLoad photoToLoad;
PhotosLoader(PhotoToLoad photoToLoad){
this.photoToLoad=photoToLoad;
}
public void run() {
if(imageViewReused(photoToLoad))
return;
Bitmap bmp=getBitmap(photoToLoad.url);
memoryCache.put(photoToLoad.url, bmp);
if(imageViewReused(photoToLoad))
return;
BitmapDisplayer bd=new BitmapDisplayer(bmp, photoToLoad);
Activity a=(Activity)photoToLoad.imageView.getContext();
a.runOnUiThread(bd);
}
}
boolean imageViewReused(PhotoToLoad photoToLoad){
String tag=imageViews.get(photoToLoad.imageView);
if(tag==null || !tag.equals(photoToLoad.url))
return true;
return false;
}
//Used to display bitmap in the UI thread
class BitmapDisplayer implements Runnable
{
Bitmap bitmap;
PhotoToLoad photoToLoad;
public BitmapDisplayer(Bitmap b, PhotoToLoad p){bitmap=b;photoToLoad=p;}
public void run()
{
if(imageViewReused(photoToLoad))
return;
if(bitmap!=null)
{
photoToLoad.imageView.setImageBitmap(bitmap);
}//else
// photoToLoad.imageView.setImageResource(stub_id);
}
}
public void clearCache() {
memoryCache.clear();
fileCache.clear();
}
}
你的堆棧跟蹤說'由...引起:java.lang.OutOfMemoryError'。這有幫助嗎?你的圖像有多大?... – Krease
某些圖像的大小在1到2之間Mo –
它很少是直接圖像 - 它是您的應用程序的總內存。要麼你使用的方式太多,要麼泄漏。使用堆分析器來確定你的內存在哪裏。 –