安卓不良的令牌異常無法在WindowManager服務中添加窗口

Question

我試圖在windowManager服務中打開視頻播放器。如果我使用圖像而不是'VideoView'，一切工作正常。但是，如果我使用VideoView，那麼我得到這個異常。

01-06 12:17:46.237: E/AndroidRuntime(1129): android.view.WindowManager$BadTokenException: Unable to add window -- token null is not for an application 
    01-06 12:17:46.237: E/AndroidRuntime(1129):  at android.view.ViewRootImpl.setView(ViewRootImpl.java:563) 
    01-06 12:17:46.237: E/AndroidRuntime(1129):  at android.view.WindowManagerGlobal.addView(WindowManagerGlobal.java:269) 
    01-06 12:17:46.237: E/AndroidRuntime(1129):  at android.view.WindowManagerImpl.addView(WindowManagerImpl.java:69) 
    01-06 12:17:46.237: E/AndroidRuntime(1129):  at android.app.Dialog.show(Dialog.java:281) 
    01-06 12:17:46.237: E/AndroidRuntime(1129):  at android.app.AlertDialog$Builder.show(AlertDialog.java:951) 
    01-06 12:17:46.237: E/AndroidRuntime(1129):  at android.widget.VideoView$4.onError(VideoView.java:421) 
    01-06 12:17:46.237: E/AndroidRuntime(1129):  at android.media.MediaPlayer$EventHandler.handleMessage(MediaPlayer.java:2022) 

我在谷歌搜索和我修復所有的東西，但仍然無法正常工作。

這是我的代碼。

ChatHeadService

package henrychuang.tw.chatheadmsg;  
    import android.annotation.SuppressLint; 
    import android.app.Service; 
    import android.content.Intent; 
    import android.graphics.PixelFormat; 
    import android.graphics.Point; 
    import android.net.Uri; 
    import android.os.Build; 
    import android.os.Bundle; 
    import android.os.CountDownTimer; 
    import android.os.Handler; 
    import android.os.IBinder; 
    import android.util.Log; 
    import android.view.Gravity; 
    import android.view.LayoutInflater; 
    import android.view.MotionEvent; 
    import android.view.View; 
    import android.view.WindowManager; 
    import android.widget.ImageView; 
    import android.widget.LinearLayout; 
    import android.widget.RelativeLayout; 
    import android.widget.TextView; 
    import android.widget.VideoView; 

    public class ChatHeadService extends Service {  
     private WindowManager windowManager; 
     private RelativeLayout chatheadView, removeView; 
     private LinearLayout txtView, txt_linearlayout; 
     private ImageView removeImg; 
     private VideoView chatheadImg; 
     private TextView txt1; 


     private int x_init_cord, y_init_cord, x_init_margin, y_init_margin, iLife = 0; 
     private Point szWindow = new Point(); 
     private boolean isLeft = true; 

     @SuppressLint("NewApi") 
     @SuppressWarnings("deprecation") 
     @Override 
     public void onCreate() { 
      // TODO Auto-generated method stub 
      super.onCreate(); 
      Log.d(Utility.LogTag, "ChatHeadService.onCreate()"); 

      windowManager = (WindowManager) getSystemService(WINDOW_SERVICE); 

      LayoutInflater inflater = (LayoutInflater)getSystemService(LAYOUT_INFLATER_SERVICE); 


      removeView = (RelativeLayout)inflater.inflate(R.layout.remove, null); 
      WindowManager.LayoutParams paramRemove = new WindowManager.LayoutParams(
        WindowManager.LayoutParams.WRAP_CONTENT, 
        WindowManager.LayoutParams.WRAP_CONTENT, 
        WindowManager.LayoutParams.TYPE_PHONE, 
        WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE | WindowManager.LayoutParams.FLAG_WATCH_OUTSIDE_TOUCH | WindowManager.LayoutParams.FLAG_LAYOUT_NO_LIMITS, 
        PixelFormat.TRANSLUCENT); 
      paramRemove.gravity = Gravity.TOP | Gravity.LEFT; 

      removeView.setVisibility(View.GONE); 
      removeImg = (ImageView)removeView.findViewById(R.id.remove_img); 
      windowManager.addView(removeView, paramRemove); 


      chatheadView = (RelativeLayout) inflater.inflate(R.layout.chathead, null); 
      chatheadImg = (VideoView)chatheadView.findViewById(R.id.chathead_img);  
      String path="http://10.0.2.2/SILLI.mpg"; 
      Uri uri=Uri.parse(path); 
      chatheadImg.setVideoURI(uri); 


      if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) { 
       windowManager.getDefaultDisplay().getSize(szWindow); 
      } else { 
       int w = windowManager.getDefaultDisplay().getWidth(); 
       int h = windowManager.getDefaultDisplay().getHeight(); 
       szWindow.set(w, h); 
      } 

      WindowManager.LayoutParams params = new WindowManager.LayoutParams(
        WindowManager.LayoutParams.WRAP_CONTENT, 
        WindowManager.LayoutParams.WRAP_CONTENT, 
        WindowManager.LayoutParams.TYPE_PHONE, 
        WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE | WindowManager.LayoutParams.FLAG_WATCH_OUTSIDE_TOUCH | WindowManager.LayoutParams.FLAG_LAYOUT_NO_LIMITS, 
        PixelFormat.TRANSLUCENT); 
      params.gravity = Gravity.TOP | Gravity.LEFT; 
      params.x = 0; 
      params.y = 0; 
      windowManager.addView(chatheadView, params); 
      /* 
      Handler handler_longClick = new Handler(); 
      Runnable runnable_longClick = new Runnable() { 

       @Override 
       public void run() { 
        // TODO Auto-generated method stub 
        Log.d(Utility.LogTag, "Into runnable_longClick"); 
       update(); 
       } 
      };*/ 


      chatheadView.setOnTouchListener(new View.OnTouchListener() { 
       long time_start = 0, time_end = 0; 
       boolean isLongclick = false, inBounded = false; 
       int remove_img_width = 0, remove_img_height = 0; 

       Handler handler_longClick = new Handler(); 
       Runnable runnable_longClick = new Runnable() { 

        @Override 
        public void run() { 
         // TODO Auto-generated method stub 
         Log.d(Utility.LogTag, "Into runnable_longClick"); 

         isLongclick = true; 
         removeView.setVisibility(View.VISIBLE); 
         chathead_longclick(); 
        } 
       }; 

       @Override 
       public boolean onTouch(View v, MotionEvent event) { 
        WindowManager.LayoutParams layoutParams = (WindowManager.LayoutParams) chatheadView.getLayoutParams(); 

        int x_cord = (int) event.getRawX(); 
        int y_cord = (int) event.getRawY(); 
        int x_cord_Destination, y_cord_Destination;    

        switch (event.getAction()) { 
        case MotionEvent.ACTION_DOWN: 
         time_start = System.currentTimeMillis(); 
         handler_longClick.postDelayed(runnable_longClick, 600); 

         remove_img_width = removeImg.getLayoutParams().width; 
         remove_img_height = removeImg.getLayoutParams().height; 

         x_init_cord = x_cord; 
         y_init_cord = y_cord; 

         x_init_margin = layoutParams.x; 
         y_init_margin = layoutParams.y; 

         if(txtView != null){ 
          txtView.setVisibility(View.GONE); 
          myHandler.removeCallbacks(myRunnable); 
         } 
         break; 
        case MotionEvent.ACTION_MOVE: 
         int x_diff_move = x_cord - x_init_cord; 
         int y_diff_move = y_cord - y_init_cord;     

         x_cord_Destination = x_init_margin + x_diff_move; 
         y_cord_Destination = y_init_margin + y_diff_move;     

         if(isLongclick){ 
          int x_bound_left = (szWindow.x - removeView.getWidth())/2 - 250; 
          int x_bound_right = (szWindow.x + removeView.getWidth())/2 + 100; 

          int y_bound_top = szWindow.y - (removeView.getHeight() + getStatusBarHeight()) - 200; 

          if((x_cord_Destination >= x_bound_left && x_cord_Destination <= x_bound_right) && y_cord_Destination >= y_bound_top){ 
           inBounded = true; 

           layoutParams.x = (szWindow.x - chatheadView.getWidth())/2; 
           layoutParams.y = szWindow.y - (removeView.getHeight() + getStatusBarHeight()) + 70;     

           if(removeImg.getLayoutParams().height == remove_img_height){ 
            removeImg.getLayoutParams().height = (int) (remove_img_height * 1.5); 
            removeImg.getLayoutParams().width = (int) (remove_img_width * 1.5); 

            WindowManager.LayoutParams param_remove = (WindowManager.LayoutParams) removeView.getLayoutParams(); 
            int x_cord_remove = (int) ((szWindow.x - (remove_img_height * 1.5))/2); 
            int y_cord_remove = (int) (szWindow.y - ((remove_img_width * 1.5) + getStatusBarHeight())); 
            param_remove.x = x_cord_remove; 
            param_remove.y = y_cord_remove; 

            windowManager.updateViewLayout(removeView, param_remove); 
           } 


           windowManager.updateViewLayout(chatheadView, layoutParams); 
           break; 
          }else{ 
           inBounded = false; 
           removeImg.getLayoutParams().height = remove_img_height; 
           removeImg.getLayoutParams().width = remove_img_width; 

           WindowManager.LayoutParams param_remove = (WindowManager.LayoutParams) removeView.getLayoutParams(); 
           int x_cord_remove = (szWindow.x - removeView.getWidth())/2; 
           int y_cord_remove = szWindow.y - (removeView.getHeight() + getStatusBarHeight()); 

           param_remove.x = x_cord_remove; 
           param_remove.y = y_cord_remove; 

           windowManager.updateViewLayout(removeView, param_remove); 
          } 

         } 


         layoutParams.x = x_cord_Destination; 
         layoutParams.y = y_cord_Destination;      

         windowManager.updateViewLayout(chatheadView, layoutParams); 
         break; 
        case MotionEvent.ACTION_UP: 
         isLongclick = false; 
         removeView.setVisibility(View.GONE); 
         removeImg.getLayoutParams().height = remove_img_height; 
         removeImg.getLayoutParams().width = remove_img_width; 
         handler_longClick.removeCallbacks(runnable_longClick); 

         if(inBounded){ 
          if(MyDialog.active){ 
           MyDialog.myDialog.finish(); 
          }      

          stopService(new Intent(ChatHeadService.this, ChatHeadService.class)); 
          inBounded = false; 
          break; 
         } 


         int x_diff = x_cord - x_init_cord; 
         int y_diff = y_cord - y_init_cord; 

         if(x_diff < 5 && y_diff < 5){ 
          time_end = System.currentTimeMillis(); 
          if((time_end - time_start) < 300){ 
           chathead_click(); 
          } 
         } 


         x_cord_Destination = x_init_margin + x_diff; 
         y_cord_Destination = y_init_margin + y_diff; 

         int x_start; 
         x_start = x_cord_Destination;     


         int BarHeight = getStatusBarHeight(); 
         if (y_cord_Destination < 0) { 
          y_cord_Destination = 0; 
         } else if (y_cord_Destination + (chatheadView.getHeight() + BarHeight) > szWindow.y) { 
          y_cord_Destination = szWindow.y - (chatheadView.getHeight() + BarHeight); 
         }       
         layoutParams.y = y_cord_Destination; 

         inBounded = false; 
         resetPosition(x_start); 

         break; 
        default: 
         Log.d(Utility.LogTag, "chatheadView.setOnTouchListener -> event.getAction() : default"); 
         break; 
        } 
        return true; 
       } 
      }); 


      txtView = (LinearLayout)inflater.inflate(R.layout.txt, null); 
      txt1 = (TextView) txtView.findViewById(R.id.txt1); 
      txt_linearlayout = (LinearLayout)txtView.findViewById(R.id.txt_linearlayout); 


      WindowManager.LayoutParams paramsTxt = new WindowManager.LayoutParams(
        WindowManager.LayoutParams.WRAP_CONTENT, 
        WindowManager.LayoutParams.WRAP_CONTENT, 
        WindowManager.LayoutParams.TYPE_PHONE, 
        WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE | WindowManager.LayoutParams.FLAG_WATCH_OUTSIDE_TOUCH | WindowManager.LayoutParams.FLAG_LAYOUT_NO_LIMITS, 
        PixelFormat.TRANSLUCENT); 
      paramsTxt.gravity = Gravity.TOP | Gravity.LEFT; 

      txtView.setVisibility(View.GONE); 
      windowManager.addView(txtView, paramsTxt); 

     } 


     private void resetPosition(int x_cord_now) { 
      int w = chatheadView.getWidth(); 

      if(x_cord_now == 0 || x_cord_now == szWindow.x - w){ 

      } else if(x_cord_now + w/2<= szWindow.x/2){  
       isLeft = true;   
       // moveToLeft(x_cord_now);   

      } else if(x_cord_now + w/2 > szWindow.x/2){   
       isLeft = false;   
       // moveToRight(x_cord_now); 

      } 

     } 
     private void moveToLeft(int x_cord_now){ 

       final int x = x_cord_now; 
       new CountDownTimer(500, 5) { 
        WindowManager.LayoutParams mParams = (WindowManager.LayoutParams) chatheadView.getLayoutParams(); 
        public void onTick(long t) { 
         long step = (500 - t)/5; 
         mParams.x = (int)(double)bounceValue(step,x); 
         windowManager.updateViewLayout(chatheadView, mParams); 
        } 
        public void onFinish() { 
         mParams.x = 0; 
         windowManager.updateViewLayout(chatheadView, mParams); 
        } 
       }.start(); 
     } 
     private void moveToRight(int x_cord_now){ 
       final int x = x_cord_now; 
       new CountDownTimer(500, 5) { 
        WindowManager.LayoutParams mParams = (WindowManager.LayoutParams) chatheadView.getLayoutParams(); 
        public void onTick(long t) { 
         long step = (500 - t)/5; 
         mParams.x = szWindow.x + (int)(double)bounceValue(step,x) - chatheadView.getWidth(); 
         windowManager.updateViewLayout(chatheadView, mParams); 
        } 
        public void onFinish() { 
         mParams.x = szWindow.x - chatheadView.getWidth(); 
         windowManager.updateViewLayout(chatheadView, mParams); 
        } 
       }.start(); 
      } 

     private double bounceValue(long step, long scale){ 
       double value = scale * java.lang.Math.exp(-0.055 * step) * java.lang.Math.cos(0.08 * step); 
       return value; 
      } 

     private int getStatusBarHeight() { 
      int statusBarHeight = (int) Math.ceil(25 * ChatHeadService.this.getResources().getDisplayMetrics().density); 
      return statusBarHeight; 
     } 

     private void chathead_click(){ 
      if(MyDialog.active){ 
       MyDialog.myDialog.finish(); 
      }else{ 
       Intent it = new Intent(ChatHeadService.this,MyDialog.class).setFlags(Intent.FLAG_ACTIVITY_NEW_TASK|Intent.FLAG_ACTIVITY_CLEAR_TOP); 
       startActivity(it); 
      } 

     } 

     private void chathead_longclick(){ 
      Log.d(Utility.LogTag, "Into ChatHeadService.chathead_longclick() "); 

      WindowManager.LayoutParams param_remove = (WindowManager.LayoutParams) removeView.getLayoutParams(); 
      int x_cord_remove = (szWindow.x - removeView.getWidth())/2; 
      int y_cord_remove = szWindow.y - (removeView.getHeight() + getStatusBarHeight()); 

      param_remove.x = x_cord_remove; 
      param_remove.y = y_cord_remove; 

      windowManager.updateViewLayout(removeView, param_remove); 
     } 

     private void showMsg(String sMsg){ 
      if(txtView != null && chatheadView != null){ 
       Log.d(Utility.LogTag, "ChatHeadService.showMsg -> sMsg=" + sMsg); 
       txt1.setText(sMsg); 
       myHandler.removeCallbacks(myRunnable); 

       WindowManager.LayoutParams param_chathead = (WindowManager.LayoutParams) chatheadView.getLayoutParams(); 
       WindowManager.LayoutParams param_txt = (WindowManager.LayoutParams) txtView.getLayoutParams(); 

       txt_linearlayout.getLayoutParams().height = chatheadView.getHeight();  
       txt_linearlayout.getLayoutParams().width = szWindow.x/2; 

       if(isLeft){        
        param_txt.x = param_chathead.x + 100; 
        param_txt.y = param_chathead.y; 

        txt_linearlayout.setGravity(Gravity.LEFT | Gravity.CENTER_VERTICAL); 
       }else{    
        param_txt.x = param_chathead.x - szWindow.x/2; 
        param_txt.y = param_chathead.y; 

        txt_linearlayout.setGravity(Gravity.RIGHT | Gravity.CENTER_VERTICAL); 
       } 

       txtView.setVisibility(View.VISIBLE); 
       windowManager.updateViewLayout(txtView, param_txt); 

       myHandler.postDelayed(myRunnable, 4000); 

      }    

     } 

     Handler myHandler = new Handler(); 
     Runnable myRunnable = new Runnable() { 

      @Override 
      public void run() { 
       // TODO Auto-generated method stub 
       if(txtView != null){ 
        txtView.setVisibility(View.GONE); 
       } 
      } 
     }; 

     @Override 
     public int onStartCommand(Intent intent, int flags, int startId) { 
      // TODO Auto-generated method stub 

      Bundle bd = intent.getExtras(); 
      if(bd != null){ 
       final String sMsg = bd.getString(Utility.EXTRA_MSG); 
       Log.e(Utility.LogTag, "ChatHeadService.onStartCommand() -> EXTRA_MSG=" + sMsg); 

       if(iLife > 0) 
        showMsg(sMsg); 
       else{ 
        new Handler().postDelayed(new Runnable() { 

         @Override 
         public void run() { 
          // TODO Auto-generated method stub 
          showMsg(sMsg); 
         } 
        }, 300); 
       } 
      } 

      iLife++; 
      return super.onStartCommand(intent, flags, startId); 
     } 

     @Override 
     public void onDestroy() { 
      // TODO Auto-generated method stub 
      super.onDestroy(); 

      if(chatheadView != null){ 
       windowManager.removeView(chatheadView); 
      } 

      if(txtView != null){ 
       windowManager.removeView(txtView); 
      } 

      if(removeView != null){ 
       windowManager.removeView(removeView); 
      } 

     } 


     @Override 
     public IBinder onBind(Intent intent) { 
      // TODO Auto-generated method stub 
      Log.d(Utility.LogTag, "ChatHeadService.onBind()"); 
      return null; 
     } 


    } 

主要

package henrychuang.tw.chatheadmsg; 
    import henrychuang.tw.chatheadmsg.R; 
    import android.app.Activity; 
    import android.content.Intent; 
    import android.os.Bundle; 
    import android.view.View; 
    import android.widget.Button; 
    public class Main extends Activity { 
     public static Button btnStartService, btnShowMsg; 

     @Override 
     protected void onCreate(Bundle savedInstanceState) { 
      super.onCreate(savedInstanceState); 
      setContentView(R.layout.main); 

      btnStartService = (Button)findViewById(R.id.btnStartService); 
      btnShowMsg = (Button)findViewById(R.id.btnMsg); 

      btnStartService.setOnClickListener(lst_StartService); 
      btnShowMsg.setOnClickListener(lst_ShowMsg); 
     } 


     Button.OnClickListener lst_StartService = new Button.OnClickListener(){ 

      @Override 
      public void onClick(View v) { 
       // TODO Auto-generated method stub 
       startService(new Intent(Main.this, ChatHeadService.class));   
      } 

     }; 


     Button.OnClickListener lst_ShowMsg = new Button.OnClickListener(){ 

      @Override 
      public void onClick(View v) { 
       // TODO Auto-generated method stub 
       java.util.Date now = new java.util.Date(); 
       String str = "test by henry " + new java.text.SimpleDateFormat("yyyy-MM-dd HH:mm:ss").format(now); 

       Intent it = new Intent(Main.this, ChatHeadService.class); 
       it.putExtra(Utility.EXTRA_MSG, str); 
       startService(it); 
      } 

     }; 
     @Override 
     protected void onResume() { 
      // TODO Auto-generated method stub 
      super.onResume(); 
     } 


    } 

MyDialog

package henrychuang.tw.chatheadmsg; 
import henrychuang.tw.chatheadmsg.R; 
import android.app.Activity; 
import android.content.Intent; 
import android.os.Bundle; 
import android.view.View; 
import android.view.View.OnClickListener; 
import android.view.Window; 
import android.widget.Button; 
import android.widget.EditText; 


public class MyDialog extends Activity { 
    public static boolean active = false; 
    public static Activity myDialog; 

    EditText edt; 
    Button btn; 
    View top; 

    @Override 
    protected void onCreate(Bundle savedInstanceState) { 
     // TODO Auto-generated method stub 
     super.onCreate(savedInstanceState); 
     this.requestWindowFeature(Window.FEATURE_NO_TITLE); 

     setContentView(R.layout.dialog); 

     edt = (EditText) findViewById(R.id.dialog_edt); 
     btn = (Button) findViewById(R.id.dialog_btn); 
     top = (View)findViewById(R.id.dialog_top); 

     myDialog = MyDialog.this; 

     btn.setOnClickListener(new OnClickListener() { 

      @Override 
      public void onClick(View v) { 
       // TODO Auto-generated method stub 
       String str = edt.getText().toString(); 
       if(str.length() > 0){ 
//     ChatHeadService.showMsg(MyDialog.this, str); 
        Intent it = new Intent(MyDialog.this, ChatHeadService.class); 
        it.putExtra(Utility.EXTRA_MSG, str); 
        startService(it); 
       } 
      } 
     }); 


     top.setOnClickListener(new OnClickListener() { 

      @Override 
      public void onClick(View v) { 
       // TODO Auto-generated method stub 
       finish(); 
      } 
     }); 

    } 


    @Override 
    protected void onResume() { 
     // TODO Auto-generated method stub 
     super.onResume(); 
     active = true; 
    } 

    @Override 
    protected void onPause() { 
     // TODO Auto-generated method stub 
     super.onPause(); 
     active = false; 
    } 

    @Override 
    protected void onDestroy() { 
     // TODO Auto-generated method stub 
     super.onDestroy(); 
     active = false; 
    } 



} 

實用

package henrychuang.tw.chatheadmsg; 


    public class Utility { 
     public static String LogTag = "henrytest"; 
     public static String EXTRA_MSG = "extra_msg"; 

    } 

Answer 1

在不讀取所有代碼的情況下：錯誤消息很可能是因爲某些需要上下文的東西，因此您可能會說您在某處使用了應用程序而不是活動。

（參考文獻：我自己的經驗和stackoverflow.com/questions/28346458/progressbar-in-asynchtask-causes-crash-unable-to-add-window-token-null-is-n）