Hi plus-minus ,i used your code to control back light ,but this is not working .i used permissions also (<uses-permission android:name="android.permission.WAKE_LOCK" />).i am using sdk 1.5 .
and the code whatever u have posted ,that only i am using .is there anything to add ?
i am postin my source code just check once .
//check this code .
package com.murali;
import android.app.Activity;
import android.content.Context;
import android.os.Bundle;
import android.os.CountDownTimer;
import android.os.PowerManager;
import android.view.View;
import android.widget.Button;
public class BackLightControl extends Activity {
/** Called when the activity is first created. */
protected PowerManager.WakeLock mWakeLock;
private Button off;
private Button on;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
off=(Button)findViewById(R.id.btnBackLightOff);
on=(Button)findViewById(R.id.btnBackLightOn);
off.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
System.out.println("back light off method");
final PowerManager pm = (PowerManager) getSystemService(Context.POWER_SERVICE);
mWakeLock = pm.newWakeLock(PowerManager.SCREEN_DIM_WAKE_LOCK, "My Tag");
mWakeLock.acquire();
}
});
on.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
System.out.println("on method");
mWakeLock.release();
}
});
}
@Override
public void onDestroy() {
System.out.println("on destroy method");
this.mWakeLock.release();
super.onDestroy();
}
//and manifest file is
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.murali"
android:versionCode="1"
android:versionName="1.0">
<application android:icon="@drawable/icon" android:label="@string/app_name">
<activity android:name=".BackLightControl"
android:label="@string/app_name">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>
<uses-sdk android:minSdkVersion="3" />
<uses-permission android:name="android.permission.WAKE_LOCK" />
</manifest>
//and layout file is
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
>
<TextView
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="@string/hello"
/>
<Button android:id="@+id/btnBackLightOff"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="off" />
<Button android:id="@+id/btnBackLightOn"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="ON" />
</LinearLayout>
can u check this code and tell me whats wrong in this .I badly needed this implemtntation .
Thanks and regards
Murali Dhuli
Board index
FAQ
Register
Login
http://code.google.com/android/referenc ... nager.html for further details.
