今天想調試多個task中棧的情況,在測試程式中調用另一個程式的activity,
程式碼片段如下:
btnStartX=(Button)findViewById(R.id.btnStartX); btnStartX.setOnClickListener(new View.OnClickListener() {@Overridepublic void onClick(View v) {// TODO Auto-generated method stubIntent myIntent = new Intent();myIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);myIntent.setClassName("com.linc.TestBackStackXYZ", "com.linc.TestBackStackXYZ.ActivityX");startActivity(myIntent);}});
結果報錯:
java.lang.SecurityException: Permission Denial: starting Intent { flg=0x10000000 cmp=com.linc.TestBackStackXYZ/.ActivityX } from ProcessRecord{406f5a18 370:com.linc.TestBackStack/10042} (pid=370, uid=10042) requires null
開始以為是permission的原因呢,尋找了一遍permission沒有結果。後來是因為ActivityX在manifast檔案定義中沒有加入action,如下定義就好了:
<activity android:name="ActivityX" android:label="ActivityX"> <intent-filter> <action android:name="android.intent.action.MAIN" /> </intent-filter> </activity>