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最近我在模擬器鎖定和解鎖屏幕上做了一個項目。我放了一個按鈕。我想這樣做,如果我按下那個按鈕,我想鎖定手機。我怎樣才能鎖定在Android模擬器上的解鎖屏幕?
我的問題是當我按下按鈕什麼都沒有發生。 請給我任何關於此的想法。
我如何獲得鎖解鎖執行使用此代碼。
public class Test extends Activity implements OnClickListener{
/** Called when the activity is first created. */
Button btn1;
private KeyguardManager mKeyguardManager;
private KeyguardManager.KeyguardLock mKeyguardLock;
private static final String TAG = "ALERTLock";
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
btn1=(Button)findViewById(R.id.button1);
btn1.setOnClickListener(this);
int flags = getFlagsForVersion();
getWindow().addFlags(flags);
mKeyguardManager = (KeyguardManager)
getSystemService(Context.KEYGUARD_SERVICE);
}
public void onClick(View v) {
// TODO Auto-generated method stub
if(v==btn1)
{
disableKeyguard();
}
else
{
enableKeyguard();
}
}
private int getFlagsForVersion() {
final String possibleFlags[] = new String[] {
"FLAG_SHOW_WHEN_LOCKED",
"FLAG_DISMISS_KEYGUARD",
"FLAG_TURN_SCREEN_ON"
};
int flags = WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON;
for(String flag:possibleFlags) {
try {
Field field = WindowManager.LayoutParams.class.getField(flag);
int value = field.getInt(null);
flags |= value;
}
catch(NoSuchFieldException e) { }
catch(IllegalAccessException e) { }
}
return flags;
}
private synchronized void enableKeyguard() {
if (mKeyguardLock != null) {
mKeyguardLock.reenableKeyguard();
mKeyguardLock = null;
}
}
private synchronized void disableKeyguard() {
if (mKeyguardLock == null) {
mKeyguardLock = mKeyguardManager.newKeyguardLock(TAG);
mKeyguardLock.disableKeyguard();
}
}
@Override
protected void onNewIntent(Intent intent) {
super.onNewIntent(intent);
disableKeyguard();
}
@Override
public void onResume() {
super.onResume();
disableKeyguard();
}
}
::我做到這一點,它看到點擊啓用,但它不是執行鎖定我想鎖定和解鎖。 ..如果您有任何解決方案,請讓我。 – Naman 2012-03-17 10:03:51