我使用下面的代码，我得到一个错误说，这个Activity已经泄露了窗口，我做错了什么。 这是我得到的错误，这是我正在使用的代码。 活动已泄露窗口com.android.internal.policy.impl.PhoneWindow $ DecorView
public class FullscreenActivity extends AppCompatActivity {
String videourl;
private Activity activity;
private Context con;
VideoView videoView;
ProgressDialog progressDialog;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_fullscreen);
videourl = getIntent().getExtras().getString("videoURL");
activity = this;
con = this;
playVideo(videourl);
}
private void playVideo(String url){
videoView = (VideoView) activity.findViewById(R.id.full_video);
videoView.setOnPreparedListener(new OnPreparedListener() {
public void onPrepared(final MediaPlayer mp) {
if (progressDialog != null) {
progressDialog.cancel();
}
}
});
videoView.setOnErrorListener(new OnErrorListener() {
public boolean onError(final MediaPlayer arg0, final int arg1,
final int arg2) {
// TODO Auto-generated method stub
if (progressDialog != null) {
progressDialog.cancel();
}
return false;
}
});
final MediaController mediaController = new MediaController(con);
mediaController.show(1000);
videoView.setMediaController(mediaController);
if (isOnline()){
try{
playurl(url);
}
catch(Exception e) {
Log.i("network problem:", e.toString());
}
}
else {
AlertMessage.showMessage(this, "Info", "No internet Connection");
finish();
}
}
private void playurl(String link) {
try {progressDialog = ProgressDialog.show(FullscreenActivity.this, "Please wait...", "Loading...", false, false);
link = URLEncoder.encode(link, "UTF-8");
videoView.setVideoURI(Uri.parse(link));
videoView.requestFocus();
videoView.start();
videoView.setOnPreparedListener(new OnPreparedListener() {
public void onPrepared(final MediaPlayer mp) {
if (progressDialog != null) {
progressDialog.cancel();
}
}
});
videoView.setOnErrorListener(new OnErrorListener() {
public boolean onError(final MediaPlayer arg0, final int arg1,
final int arg2) {
// TODO Auto-generated method stub
if (progressDialog != null) {
progressDialog.cancel();
}
return false;
}
});
videoView.setOnCompletionListener(new OnCompletionListener(){
public void onCompletion(MediaPlayer mp) {
// TODO Auto-generated method stub
finish();
}
});
}
catch (UnsupportedEncodingException e){
if (progressDialog != null) {
progressDialog.cancel();
}
Toast.makeText(con, "can't play", Toast.LENGTH_SHORT).show();
finish();
e.printStackTrace();
}
}
public boolean isOnline(){
ConnectivityManager cm = (ConnectivityManager)getSystemService(Context.CONNECTIVITY_SERVICE);
NetworkInfo ni = cm.getActiveNetworkInfo();
if (ni != null && ni.isConnectedOrConnecting())
{
return true;
}
else{
return false;
}
}
}
//这是AlertMessage.java 公共类AlertMessage {
public static void showMessage(final Context c, final String title,
final String s) {
final AlertDialog.Builder aBuilder = new AlertDialog.Builder(c);
aBuilder.setTitle(title);
aBuilder.setMessage(s);
aBuilder.setPositiveButton("Ok", new DialogInterface.OnClickListener() {
public void onClick(final DialogInterface dialog, final int which) {
dialog.dismiss();
}
});
aBuilder.show();
}
public static void showProgress(final Context c,
ProgressDialog progressDialog) {
if (progressDialog == null) {
progressDialog = new ProgressDialog(c);
}
if (progressDialog != null && !progressDialog.isShowing()) {
progressDialog = ProgressDialog.show(c, "Please wait...",
"Buffering...", true, true);
}
}
public static void cancelProgress(final Context c,
final ProgressDialog progressDialog) {
if (progressDialog != null && progressDialog.isShowing()) {
progressDialog.dismiss();
}
}
}
11613-11613/com.Ippc.mobileapp E/WindowManager﹕ android.view.WindowLeaked: Activity com.Ippc.mobileapp.FullscreenActivity has leaked window com.android.internal.policy.impl.PhoneWindow$DecorView{2ca51238 V.E..... R.....I. 0,0-1002,567} that was originally added here
at android.view.ViewRootImpl.<init>(ViewRootImpl.java:465)
at android.view.WindowManagerGlobal.addView(WindowManagerGlobal.java:277)
at android.view.WindowManagerImpl.addView(WindowManagerImpl.java:69)
at android.app.Dialog.show(Dialog.java:312)
at android.app.AlertDialog$Builder.show(AlertDialog.java:991)
at com.Ippc.mobileapp.utils.AlertMessage.showMessage(AlertMessage.java:25)
at com.Ippc.mobileapp.FullscreenActivity.playVideo(FullscreenActivity.java:88)
at com.Ippc.mobileapp.FullscreenActivity.onCreate(FullscreenActivity.java:43)
at android.app.Activity.performCreate(Activity.java:6283)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1119)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2646)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2758)
at android.app.ActivityThread.access$900(ActivityThread.java:177)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1448)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:145)
at android.app.ActivityThread.main(ActivityThread.java:5942)
at java.lang.reflect.Method.invoke(Native Method)
at java.lang.reflect.Method.invoke(Method.java:372)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1400)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1195)