android程序監(jiān)聽home鍵與電源鍵
[導(dǎo)讀] 01 private final BroadcastReceiver homePressReceiver = new BroadcastReceiver() { 02
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private final BroadcastReceiver homePressReceiver = new BroadcastReceiver() { |
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final String SYSTEM_DIALOG_REASON_KEY = "reason"; |
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final String SYSTEM_DIALOG_REASON_HOME_KEY = "homekey"; |
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@Override |
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public void onReceive(Context context, Intent intent) { |
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String action = intent.getAction(); |
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if (action.equals(Intent.ACTION_CLOSE_SYSTEM_DIALOGS)) { |
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String reason = intent.getStringExtra(SYSTEM_DIALOG_REASON_KEY); |
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if (reason != null && reason.equals(SYSTEM_DIALOG_REASON_HOME_KEY)) { |
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//自己隨意控制程序，關(guān)閉... |
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} |
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} |
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} |
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}; |
然后在onreate()方法中，注冊
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final IntentFilter homeFilter = new IntentFilter(Intent.ACTION_CLOSE_SYSTEM_DIALOGS); |
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registerReceiver(homePressReceiver, homeFilter); |
當(dāng)然最后為了程序的嚴(yán)謹(jǐn)性也是為了防止出錯，我們在onDestory()方法中，也要解除注冊
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if(homePressReceiver != null){ |
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try { |
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unregisterReceiver(homePressReceiver); |
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} catch (Exception e) { |
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Log.e(TAG, "unregisterReceiver homePressReceiver failure :"+e.getCause()); |
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} |
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} |
2，電源監(jiān)聽，先要有權(quán)限
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<uses-permission android:name="android.permission.WAKE_LOCK" /> |
然后監(jiān)聽兩個action
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Intent.ACTION_SCREEN_OFF |
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Intent.ACTION_SCREEN_ON |
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private final BroadcastReceiver mBatInfoReceiver = new BroadcastReceiver() { |
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@Override |
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public void onReceive(final Context context, final Intent intent) { |
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final String action = intent.getAction(); |
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if (Intent.ACTION_SCREEN_OFF.equals(action)) { |
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//退出程序... |
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} |
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} |
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}; |
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onCreate()方法中注冊 |
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IntentFilter filter = new IntentFilter(Intent.ACTION_SCREEN_OFF); |
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registerReceiver(mBatInfoReceiver, filter); |
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onDestory()方法中解除注冊 |
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if(mBatInfoReceiver != null){ |
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try { |
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unregisterReceiver(mBatInfoReceiver); |
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} catch (Exception e) { |
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Log.e(TAG, "unregisterReceiver mBatInfoReceiver failure :"+e.getCause()); |
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} |
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} |
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