How to disable HOME key for Android launcher application

Question

Is it possible to hide/disable Device home key for Screen lock application. I tired to create a sample screen lock application, i did the following testing process,

Device screen is off
Clicked search button - Lock screen will appear and nothing will happened
Clicked Back button - Lock screen will appear and nothing will happened
Clicked Menu button - Lock screen will appear and nothing will happened
Clicked Home Button - Lock screen will removed and redirect to device home page.

In my manifest.xml is,

<activity
            android:name=".SampleLock"
            android:excludeFromRecents="true"
            android:label="@string/app_name"
            android:launchMode="singleInstance"
            android:persistent="true"
            android:screenOrientation="portrait"
            android:theme="@android:style/Theme.NoTitleBar.Fullscreen" >
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.HOME" />
                <category android:name="android.intent.category.DEFAULT" />
                <!-- <category android:name="android.intent.category.MONKEY" /> -->
                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>

Guys any idea to resolve this issue?

@Hardik: Then how the GoLocker and other locker apps are did? — Aerrow, Dec 21 '13 at 12:04
here is your answer http://stackoverflow.com/questions/3898876/how-to-disable-the-home-key — Hardik, Dec 21 '13 at 12:08
@Hardik: No probs.. but i already did this too.. it didn't work me. :( — Aerrow, Dec 21 '13 at 12:09
did you try this http://stackoverflow.com/questions/2162182/android-is-it-possible-to-disable-the-click-of-home-button — Hardik, Dec 21 '13 at 12:12

Samvel Kartashyan · Answer 1 · 2015-07-03T17:12:23.363

For disabling home button just add this permission in your Manifest.xml:

< uses-permission android:name="android.permission.GET_TASKS"/>

For disabling Recent button add this code to your Main activity:

@Override 
public void onWindowFocusChanged(boolean hasFocus) {
    super.onWindowFocusChanged(hasFocus);
    if (!hasFocus) {
        windowCloseHandler.post(windowCloserRunnable);
    }
}
private void toggleRecents() {
    Intent closeRecents = new Intent("com.android.systemui.recent.action.TOGGLE_RECENTS");
    closeRecents.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS);
    ComponentName recents = new ComponentName("com.android.systemui", "com.android.systemui.recent.RecentsActivity");
    closeRecents.setComponent(recents);
    this.startActivity(closeRecents);
}
private Handler windowCloseHandler = new Handler();
private Runnable windowCloserRunnable = new Runnable() {@Override public void run() {
    ActivityManager am = (ActivityManager) getApplicationContext().getSystemService(Context.ACTIVITY_SERVICE);
    ComponentName cn = am.getRunningTasks(1).get(0).topActivity;
    if (cn != null && cn.getClassName().equals("com.android.systemui.recent.RecentsActivity")) {
        toggleRecents();
    }
}
};

score 0 · Answer 2 · answered Dec 21 '13 at 12:11

remove this line from your manifest deceleration

<category android:name="android.intent.category.LAUNCHER" />

it must be

<intent-filter>
    <action android:name="android.intent.action.MAIN" />
    <category android:name="android.intent.category.HOME" />
    <category android:name="android.intent.category.DEFAULT" />
</intent-filter>

How to disable HOME key for Android launcher application

2 Answers2

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