@Override
public void onCreate() {
super.onCreate();
// REGISTER RECEIVER THAT HANDLES SCREEN ON AND SCREEN OFF LOGIC
IntentFilter filter = new IntentFilter(Intent.ACTION_SCREEN_ON);
filter.addAction(Intent.ACTION_SCREEN_OFF);
BroadcastReceiver mReceiver = new ScreenReceiver();
registerReceiver(mReceiver, filter);
}
@Override
public void onStart(Intent intent, int startId) {
boolean screenOn = intent.getBooleanExtra("screen_state", false);
if (!screenOn) {
// Get instance of Vibrator from current Context
Vibrator v = (Vibrator) getSystemService(Context.VIBRATOR_SERVICE);
// This example will cause the phone to vibrate "SOS" in Morse Code
// In Morse Code, "s" = "dot-dot-dot", "o" = "dash-dash-dash"
// There are pauses to separate dots/dashes, letters, and words
// The following numbers represent millisecond lengths
int dot = 200; // Length of a Morse Code "dot" in milliseconds
int dash = 500; // Length of a Morse Code "dash" in milliseconds
int short_gap = 200; // Length of Gap Between dots/dashes
int medium_gap = 500; // Length of Gap Between Letters
int long_gap = 1000; // Length of Gap Between Words
long[] pattern = {
0, // Start immediately
dot, short_gap, dot, short_gap, dot, // s
medium_gap,
dash, short_gap, dash, short_gap, dash, // o
medium_gap,
dot, short_gap, dot, short_gap, dot, // s
long_gap
};
// Only perform this pattern one time (-1 means "do not repeat")
v.vibrate(pattern, -1);
} else {
// YOUR CODE
}
}
請注意您必須將用戶權限行添加到塊的外部的Manifest.xml文件中。
<manifest xmlns:android="http://schemas.android.com/apk/res/android" package="...">
<uses-permission android:name="android.permission.VIBRATE"/>
注意:您還必須測試此代碼真正的手機上,仿真器將無法viberate
+1 fot「模擬器無法振動」:-) – Twinone
請在沒有USB電纜連接到設備的情況下測試,因爲充電時行爲會有所不同。 – userM1433372