protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.button_layuout);
final IntentFilter filter = new IntentFilter();
// 屏幕滅屏廣播
filter.addAction(Intent.ACTION_SCREEN_OFF);
// 屏幕亮屏廣播
filter.addAction(Intent.ACTION_SCREEN_ON);
// 屏幕解鎖廣播
filter.addAction(Intent.ACTION_USER_PRESENT);
// 當長按電源鍵彈出“關機”對話或者鎖屏時系統會發出這個廣播
// example:有時候會用到系統對話框,權限可能很高,會覆蓋在鎖屏界面或者“關機”對話框之上,
// 所以監聽這個廣播,當收到時就隱藏自己的對話,如點擊pad右下角部分彈出的對話框
filter.addAction(Intent.ACTION_CLOSE_SYSTEM_DIALOGS);
BroadcastReceiver mBatInfoReceiver = new BroadcastReceiver() {
final String SYSTEM_DIALOG_REASON_KEY = "reason";
//按下Home鍵
final String SYSTEM_DIALOG_REASON_HOME_KEY = "homekey";
//長按Home鍵
final String SYSTEM_DIALOG_REASON_RECENT_APPS = "recentapps";
@Override
public void onReceive(final Context context, final Intent intent) {
Log.d(TAG, "onReceive");
String action = intent.getAction();
if (Intent.ACTION_SCREEN_ON.equals(action)) {
Log.d(TAG, "screen on");
} else if (Intent.ACTION_SCREEN_OFF.equals(action)) {
Log.d(TAG, "screen off");
} else if (Intent.ACTION_USER_PRESENT.equals(action)) {
Log.d(TAG, "screen unlock");
} else if (Intent.ACTION_CLOSE_SYSTEM_DIALOGS.equals(intent.getAction())) {
Log.i(TAG, " receive Intent.ACTION_CLOSE_SYSTEM_DIALOGS");
String reason = intent.getStringExtra(SYSTEM_DIALOG_REASON_KEY);
if (reason != null && mOnHomeKeyListener != null) {
if (reason.equals(SYSTEM_DIALOG_REASON_HOME_KEY)) {
mOnHomeKeyListener.onHomeKeyPressed();
} else if (reason.equals(SYSTEM_DIALOG_REASON_RECENT_APPS)) {
mOnHomeKeyListener.onHomeKeyLongPressed();
}
}
}
}
};
Log.d(TAG, "registerReceiver");
registerReceiver(mBatInfoReceiver, filter);
}