需要幫助讓Android按鈕可見

每一件事情是要罰款後，我的按鈕可見，但它不設置我的按鈕的知名度，真正我試圖此

try { 
        sleep((int)(Math.random() * 1000)); 
        btn = (Button) findViewById(R.id.My_btn); 
        btn.requestFocus(); 
        btn.setVisibility(0); 

//here btn.setvisibility(View.VISIBLE) also not working 

}

這是我的按鈕logcate

05-04 10:30:12.212: WARN/InputManagerService(52): Window already focused, ignoring focus gain of: [email protected] 
05-04 10:30:13.673: WARN/InputManagerService(52): Window already focused, ignoring focus gain of: [email protected] 
05-04 10:30:16.054: INFO/NotificationService(52): enqueueToast pkg=android.com.MobiintheMorning [email protected] duration=0 
05-04 10:30:16.064: INFO/System.out(677): button founded 
05-04 10:30:16.629: WARN/dalvikvm(677): threadid=31: thread exiting with uncaught exception (group=0x4001aa28) 
05-04 10:30:16.629: ERROR/AndroidRuntime(677): Uncaught handler: thread Thread-17 exiting due to uncaught exception 
05-04 10:30:16.634: ERROR/AndroidRuntime(677): android.view.ViewRoot$CalledFromWrongThreadException: Only the original thread that created a view hierarchy can touch its views. 
05-04 10:30:16.634: ERROR/AndroidRuntime(677):  at android.view.ViewRoot.checkThread(ViewRoot.java:2629) 
05-04 10:30:16.634: ERROR/AndroidRuntime(677):  at android.view.ViewRoot.focusableViewAvailable(ViewRoot.java:1519) 
05-04 10:30:16.634: ERROR/AndroidRuntime(677):  at android.view.ViewGroup.focusableViewAvailable(ViewGroup.java:448) 
05-04 10:30:16.634: ERROR/AndroidRuntime(677):  at android.view.ViewGroup.focusableViewAvailable(ViewGroup.java:448) 
05-04 10:30:16.634: ERROR/AndroidRuntime(677):  at android.view.ViewGroup.focusableViewAvailable(ViewGroup.java:448) 
05-04 10:30:16.634: ERROR/AndroidRuntime(677):  at android.view.ViewGroup.focusableViewAvailable(ViewGroup.java:448) 
05-04 10:30:16.634: ERROR/AndroidRuntime(677):  at android.view.View.setFlags(View.java:4270) 
05-04 10:30:16.634: ERROR/AndroidRuntime(677):  at android.view.View.setVisibility(View.java:2964) 
05-04 10:30:16.634: ERROR/AndroidRuntime(677):  at android.com.MobiintheMorning.MobiintheMorningActivity.btnvisibility(MobiintheMorningActivity.java:307) 
05-04 10:30:16.634: ERROR/AndroidRuntime(677):  at android.com.MobiintheMorning.MobiintheMorningActivity$temp.run(MobiintheMorningActivity.java:277) 
05-04 10:30:16.644: INFO/Process(52): Sending signal. PID: 677 SIG: 3 
05-04 10:30:16.644: INFO/dalvikvm(677): threadid=7: reacting to signal 3 
05-04 10:30:16.644: ERROR/dalvikvm(677): Unable to open stack trace file '/data/anr/traces.txt': Permission denied 
05-04 10:33:50.293: DEBUG/AndroidRuntime(893): >>>>>>>>>>>>>> AndroidRuntime START <<<<<<<<<<<<<< 
05-04 10:33:50.293: DEBUG/AndroidRuntime(893): CheckJNI is ON 
05-04 10:33:50.494: DEBUG/AndroidRuntime(893): --- registering native functions --- 
05-04 10:33:50.494: INFO/jdwp(893): received file descriptor 20 from ADB 
05-04 10:33:50.693: DEBUG/ddm-heap(893): Got feature list request 
05-04 10:33:51.133: DEBUG/PackageParser(52): Scanning package: /data/app/vmdl65231.tmp 
05-04 10:33:51.314: INFO/PackageManager(52): Removing non-system package:android.com.MobiintheMorning 
05-04 10:33:51.314: DEBUG/PackageManager(52): Removing package android.com.MobiintheMorning 
05-04 10:33:51.314: DEBUG/PackageManager(52): Activities: android.com.MobiintheMorning.MobiintheMorningActivity android.com.MobiintheMorning.FindFilesByType android.com.MobiintheMorning.EmailAct android.com.MobiintheMorning.DisplaySong 
05-04 10:33:51.373: DEBUG/PackageManager(52): Scanning package android.com.MobiintheMorning 
05-04 10:33:51.373: INFO/PackageManager(52): /data/app/vmdl65231.tmp changed; unpacking 
05-04 10:33:51.383: DEBUG/installd(32): DexInv: --- BEGIN '/data/app/vmdl65231.tmp' --- 
05-04 10:33:51.744: DEBUG/dalvikvm(900): DexOpt: load 36ms, verify 187ms, opt 2ms 
05-04 10:33:51.774: DEBUG/installd(32): DexInv: --- END '/data/app/vmdl65231.tmp' (success) --- 
05-04 10:33:51.774: DEBUG/PackageManager(52): Activities: android.com.MobiintheMorning.MobiintheMorningActivity android.com.MobiintheMorning.FindFilesByType android.com.MobiintheMorning.EmailAct android.com.MobiintheMorning.DisplaySong 
05-04 10:33:51.793: DEBUG/ActivityManager(52): Uninstalling process android.com.MobiintheMorning 
05-04 10:33:51.793: DEBUG/ActivityManager(52): Force removing process ProcessRecord{438e6a48 677:android.com.MobiintheMorning/10022} (android.com.MobiintheMorning/10022) 
05-04 10:33:51.803: INFO/Process(52): Sending signal. PID: 677 SIG: 9 
05-04 10:33:51.892: WARN/UsageStats(52): Unexpected resume of com.android.launcher while already resumed in android.com.MobiintheMorning 
05-04 10:33:51.934: INFO/WindowManager(52): WIN DEATH: Window{438462b8 android.com.MobiintheMorning/android.com.MobiintheMorning.MobiintheMorningActivity paused=false} 
05-04 10:33:51.943: DEBUG/ActivityManager(52): Received spurious death notification for thread [email protected] 
05-04 10:33:51.963: WARN/InputManagerService(52): Got RemoteException sending setActive(false) notification to pid 677 uid 10022 
05-04 10:33:52.194: INFO/installd(32): move /data/dalvik-cache/[email protected]@[email protected] -> /data/dalvik-cache/[email protected]@[email protected] 
05-04 10:33:52.204: DEBUG/PackageManager(52): New package installed in /data/app/android.com.MobiintheMorning.apk 
05-04 10:33:52.284: DEBUG/AndroidRuntime(893): Shutting down VM 
05-04 10:33:52.284: DEBUG/dalvikvm(893): DestroyJavaVM waiting for non-daemon threads to exit 
05-04 10:33:52.294: DEBUG/ActivityManager(52): Uninstalling process android.com.MobiintheMorning 
05-04 10:33:52.303: DEBUG/dalvikvm(893): DestroyJavaVM shutting VM down 
05-04 10:33:52.303: DEBUG/dalvikvm(893): HeapWorker thread shutting down 
05-04 10:33:52.303: DEBUG/dalvikvm(893): HeapWorker thread has shut down 
05-04 10:33:52.303: DEBUG/jdwp(893): JDWP shutting down net... 
05-04 10:33:52.303: DEBUG/jdwp(893): Got wake-up signal, bailing out of select 
05-04 10:33:52.303: INFO/dalvikvm(893): Debugger has detached; object registry had 1 entries 
05-04 10:33:52.313: DEBUG/dalvikvm(893): VM cleaning up 
05-04 10:33:52.354: DEBUG/dalvikvm(893): LinearAlloc 0x0 used 665236 of 4194304 (15%) 
05-04 10:33:52.454: WARN/ResourceType(52): No package identifier when getting value for resource number 0x7f060000 
05-04 10:33:52.464: WARN/ResourceType(52): No package identifier when getting value for resource number 0x7f060001 
05-04 10:33:52.643: DEBUG/dalvikvm(95): GC freed 131 objects/5400 bytes in 231ms 
05-04 10:33:52.643: DEBUG/HomeLoaders(95): application intent received: android.intent.action.PACKAGE_REMOVED, replacing=true 
05-04 10:33:52.643: DEBUG/HomeLoaders(95): --> package:android.com.MobiintheMorning 
05-04 10:33:52.653: DEBUG/HomeLoaders(95): application intent received: android.intent.action.PACKAGE_ADDED, replacing=true 
05-04 10:33:52.653: DEBUG/HomeLoaders(95): --> package:android.com.MobiintheMorning 
05-04 10:33:52.653: DEBUG/HomeLoaders(95): --> update package android.com.MobiintheMorning 
05-04 10:33:52.813: DEBUG/dalvikvm(52): GC freed 10887 objects/620232 bytes in 335ms 
05-04 10:33:52.983: WARN/ResourceType(52): No package identifier when getting value for resource number 0x7f060000 
05-04 10:33:53.012: WARN/ResourceType(52): No package identifier when getting value for resource number 0x7f060001 
05-04 10:33:53.363: DEBUG/AndroidRuntime(907): >>>>>>>>>>>>>> AndroidRuntime START <<<<<<<<<<<<<< 
05-04 10:33:53.363: DEBUG/AndroidRuntime(907): CheckJNI is ON 
05-04 10:33:53.543: DEBUG/AndroidRuntime(907): --- registering native functions --- 
05-04 10:33:53.543: INFO/jdwp(907): received file descriptor 20 from ADB 
05-04 10:33:53.734: DEBUG/ddm-heap(907): Got feature list request 
05-04 10:33:54.154: INFO/ActivityManager(52): Starting activity: Intent { act=android.intent.action.MAIN cat=[android.intent.category.LAUNCHER] flg=0x10000000 cmp=android.com.MobiintheMorning/.MobiintheMorningActivity } 
05-04 10:33:54.183: DEBUG/AndroidRuntime(907): Shutting down VM 
05-04 10:33:54.183: DEBUG/dalvikvm(907): DestroyJavaVM waiting for non-daemon threads to exit 
05-04 10:33:54.223: DEBUG/dalvikvm(907): DestroyJavaVM shutting VM down 
05-04 10:33:54.223: DEBUG/dalvikvm(907): HeapWorker thread shutting down 
05-04 10:33:54.223: DEBUG/dalvikvm(907): HeapWorker thread has shut down 
05-04 10:33:54.233: DEBUG/jdwp(907): JDWP shutting down net... 
05-04 10:33:54.233: DEBUG/jdwp(907): +++ peer disconnected 
05-04 10:33:54.233: INFO/dalvikvm(907): Debugger has detached; object registry had 1 entries 
05-04 10:33:54.243: DEBUG/dalvikvm(907): VM cleaning up 
05-04 10:33:54.253: INFO/ActivityManager(52): Start proc android.com.MobiintheMorning for activity android.com.MobiintheMorning/.MobiintheMorningActivity: pid=915 uid=10022 gids={3003, 1015} 
05-04 10:33:54.313: DEBUG/dalvikvm(907): LinearAlloc 0x0 used 676828 of 4194304 (16%) 
05-04 10:33:54.423: INFO/jdwp(915): received file descriptor 20 from ADB 
05-04 10:33:54.473: DEBUG/ddm-heap(915): Got feature list request 
05-04 10:33:55.513: INFO/ActivityManager(52): Displayed activity android.com.MobiintheMorning/.MobiintheMorningActivity: 1312 ms (total 1312 ms) 
05-04 10:34:05.163: DEBUG/dalvikvm(237): GC freed 43 objects/2088 bytes in 54ms 
05-04 10:34:10.253: DEBUG/dalvikvm(95): GC freed 2943 objects/167248 bytes in 96ms 
05-04 10:34:14.213: DEBUG/dalvikvm(915): GC freed 2995 objects/320496 bytes in 79ms 
05-04 10:34:16.112: WARN/InputManagerService(52): Window already focused, ignoring focus gain of: [email protected] 
05-04 10:34:17.414: WARN/InputManagerService(52): Window already focused, ignoring focus gain of: [email protected] 
05-04 10:34:19.334: INFO/NotificationService(52): enqueueToast pkg=android.com.MobiintheMorning [email protected] duration=0 
05-04 10:34:19.344: INFO/System.out(915): button founded 
05-04 10:34:19.778: WARN/dalvikvm(915): threadid=31: thread exiting with uncaught exception (group=0x4001aa28) 
05-04 10:34:19.778: ERROR/AndroidRuntime(915): Uncaught handler: thread Thread-17 exiting due to uncaught exception 
05-04 10:34:19.783: ERROR/AndroidRuntime(915): android.view.ViewRoot$CalledFromWrongThreadException: Only the original thread that created a view hierarchy can touch its views. 
05-04 10:34:19.783: ERROR/AndroidRuntime(915):  at android.view.ViewRoot.checkThread(ViewRoot.java:2629) 
05-04 10:34:19.783: ERROR/AndroidRuntime(915):  at android.view.ViewRoot.focusableViewAvailable(ViewRoot.java:1519) 
05-04 10:34:19.783: ERROR/AndroidRuntime(915):  at android.view.ViewGroup.focusableViewAvailable(ViewGroup.java:448) 
05-04 10:34:19.783: ERROR/AndroidRuntime(915):  at android.view.ViewGroup.focusableViewAvailable(ViewGroup.java:448) 
05-04 10:34:19.783: ERROR/AndroidRuntime(915):  at android.view.ViewGroup.focusableViewAvailable(ViewGroup.java:448) 
05-04 10:34:19.783: ERROR/AndroidRuntime(915):  at android.view.ViewGroup.focusableViewAvailable(ViewGroup.java:448) 
05-04 10:34:19.783: ERROR/AndroidRuntime(915):  at android.view.View.setFlags(View.java:4270) 
05-04 10:34:19.783: ERROR/AndroidRuntime(915):  at android.view.View.setVisibility(View.java:2964) 
05-04 10:34:19.783: ERROR/AndroidRuntime(915):  at android.com.MobiintheMorning.MobiintheMorningActivity$temp.run(MobiintheMorningActivity.java:277) 
05-04 10:34:19.793: INFO/Process(52): Sending signal. PID: 915 SIG: 3 
05-04 10:34:19.793: INFO/dalvikvm(915): threadid=7: reacting to signal 3 
05-04 10:34:19.793: ERROR/dalvikvm(915): Unable to open stack trace file '/data/anr/traces.txt': Permission denied

來源

2011-05-04 Android

你的問題做了正確的格式。 – 2011-05-04 05:16:40

您可以通過在代碼的每一行前添加四個空格來格式化您的代碼和相應的日誌。我試着編輯你的文章，但編輯鏈接說沒有找到頁面，然後當我重新加載你的頁面時，編輯鏈接消失了。 – 2011-05-04 05:18:07

你得到的錯誤：

05-04 10:34:19.783: ERROR/AndroidRuntime(915): android.view.ViewRoot$CalledFromWrongThreadException: Only the original thread that created a view hierarchy can touch its views.05

這表明您正試圖使按鈕從非UI線程可見。如果是這樣，那麼你需要做這樣的事情，讓UI線程來改變按鈕的可見性：

 try{ 
      btn.post(new Runnable() { 
       public void run() { 
        btn.requestFocus(); 
        btn.setVisibility(0); // Or: btn.setVisibility(View.VISIBLE) 
       }}); 
     }catch (Exception e) { 
     Log.d("test", e.toString()); 

     }

來源

2011-05-04 05:21:44 forsvarir

謝謝你對我有用:)謝謝 – Android 2011-05-04 05:41:43

要那樣做一個主題？如果你是，你需要使用一個處理器或說

`     runOnUiThread(new Runnable() { 

       @Override 
       public void run() { 
        // TODO Auto-generated method stub 

       } 
      }); 
     `

來源

2011-05-04 05:24:00 Hades

嘗試使用的AsyncTask，它前，後的方法，你可以嘗試啓用在後期方法按鈕！

私有類CallWebServiceInBackGround擴展的AsyncTask {

@Override 
    protected void onPreExecute() { 
     super.onPreExecute(); 
    } 

    @Override 
    protected Void doInBackground(Void... arg0) { 
     return null; 
    } 

    @Override 
    protected void onPostExecute(Void result) { 
     super.onPostExecute(result); 
        button.setvisibilty(View.INVISIBLE); 
    } 

}

來源

2011-05-04 05:28:16 Vineet

需要幫助讓Android按鈕可見

回答

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