Android對指定的應用屏蔽其ANR的Dialog和crash的Dialog

修改源碼 framework/base/services/core/java/com/android/server/am/AppErrors.java

親試可用：

void handleShowAppErrorUi(Message msg) {
        AppErrorDialog.Data data = (AppErrorDialog.Data) msg.obj;
        boolean showBackground = Settings.Secure.getInt(mContext.getContentResolver(),
                Settings.Secure.ANR_SHOW_BACKGROUND, 0) != 0;
        synchronized (mService) {
            ProcessRecord proc = data.proc;
            AppErrorResult res = data.result;
            if (proc != null && proc.crashDialog != null) {
                Slog.e(TAG, "App already has crash dialog: " + proc);
                if (res != null) {
                    res.set(AppErrorDialog.ALREADY_SHOWING);
                }
                return;
            }
            boolean isBackground = (UserHandle.getAppId(proc.uid)
                    >= Process.FIRST_APPLICATION_UID
                    && proc.pid != MY_PID);
            for (int userId : mService.mUserController.getCurrentProfileIdsLocked()) {
                isBackground &= (proc.userId != userId);
            }
            if (isBackground && !showBackground) {
                Slog.w(TAG, "Skipping crash dialog of " + proc + ": background");
                if (res != null) {
                    res.set(AppErrorDialog.BACKGROUND_USER);
                }
                return;
            }
            final boolean crashSilenced = mAppsNotReportingCrashes != null &&
                    mAppsNotReportingCrashes.contains(proc.info.packageName);
            if ((mService.canShowErrorDialogs() || showBackground) && !crashSilenced) {
                proc.crashDialog = new AppErrorDialog(mContext, mService, data);
            } else {
                // The device is asleep, so just pretend that the user
                // saw a crash dialog and hit "force quit".
                if (res != null) {
                    res.set(AppErrorDialog.CANT_SHOW);
                }
            }

			//增加包名過濾
			if(data.proc.crashDialog != null){
				if(proc != null && proc.info.packageName.equals("com.zhaowh.udpserver")){
					data.proc.crashDialog = null;
				}
			}
        }
        // If we've created a crash dialog, show it without the lock held
        if(data.proc.crashDialog != null) {
            data.proc.crashDialog.show();
        }
    }

/********************************************************************/
void handleShowAnrUi(Message msg) {
        Dialog d = null;
        synchronized (mService) {
            HashMap<String, Object> data = (HashMap<String, Object>) msg.obj;
            ProcessRecord proc = (ProcessRecord)data.get("app");
            if (proc != null && proc.anrDialog != null) {
                Slog.e(TAG, "App already has anr dialog: " + proc);
                MetricsLogger.action(mContext, MetricsProto.MetricsEvent.ACTION_APP_ANR,
                        AppNotRespondingDialog.ALREADY_SHOWING);
                return;
            }

            Intent intent = new Intent("android.intent.action.ANR");
            if (!mService.mProcessesReady) {
                intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY
                        | Intent.FLAG_RECEIVER_FOREGROUND);
            }
            mService.broadcastIntentLocked(null, null, intent,
                    null, null, 0, null, null, null, AppOpsManager.OP_NONE,
                    null, false, false, MY_PID, Process.SYSTEM_UID, 0 /* TODO: Verify */);

            boolean showBackground = Settings.Secure.getInt(mContext.getContentResolver(),
                    Settings.Secure.ANR_SHOW_BACKGROUND, 0) != 0;
            if (mService.canShowErrorDialogs() || showBackground) {
                d = new AppNotRespondingDialog(mService,
                        mContext, proc, (ActivityRecord)data.get("activity"),
                        msg.arg1 != 0);
                proc.anrDialog = d;
            } else {
                MetricsLogger.action(mContext, MetricsProto.MetricsEvent.ACTION_APP_ANR,
                        AppNotRespondingDialog.CANT_SHOW);
                // Just kill the app if there is no dialog to be shown.
                mService.killAppAtUsersRequest(proc, null);
            }
			
			//增加包名過濾
			if(d != null){
				if(proc != null && proc.info.packageName.equals("com.zhaowh.udpserver")){
					d = null;
				}
			}
        }
		
        // If we've created a crash dialog, show it without the lock held
        if (d != null) {
            d.show();
        }
    }