android - 隐藏应用程序图标

Question

我正在做一个Android应用程序。我想在模拟器中隐藏应用程序图标，我想通过按一些数字来启动我的应用程序，例如 456#。有没有办法做到这一点？

Answer 1

要以编程方式从启动器中隐藏应用程序图标，您可以执行此操作

    PackageManager packageManager = context.getPackageManager();
    ComponentName componentName = new ComponentName(context,
            LauncherActivity.class);
    packageManager.setComponentEnabledSetting(componentName, PackageManager.COMPONENT_ENABLED_STATE_DISABLED,
            PackageManager.DONT_KILL_APP);

要通过按数字启动应用程序，请先在 mainfest 文件中添加以下权限

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

然后注册接收者

<receiver android:name=".LaunchAppViaDialReceiver"> 
    <intent-filter> 
    <action android:name="android.intent.action.NEW_OUTGOING_CALL"/>
    </intent-filter> 
</receiver>

然后创建一个接收器类

  public class LaunchAppViaDialReceiver extends BroadcastReceiver {
@Override
public void onReceive(Context context, Intent intent) {
    // TODO Auto-generated method stub
    Bundle bundle = intent.getExtras();
    if (null == bundle)
        return;
    String phoneNubmer = intent.getStringExtra(Intent.EXTRA_PHONE_NUMBER);
             //here change the number to your desired number
    if (phoneNubmer.equals("12345")) {
        setResultData(null);
        Gaurdian.changeStealthMode(context,
                PackageManager.COMPONENT_ENABLED_STATE_ENABLED);
        Intent appIntent = new Intent(context, LauncherActivity.class);
        appIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
        context.startActivity(appIntent);
    }

}

Answer 2

If you want to hide the app icon it's a good idea to show the icon first and let the user know how to start the app once the icon is gone. First create an activity-alias in the manifest and move your intent filter there. This way you can disable the icon without disabling the activity.

<activity
    android:name=".MainActivity"
    android:label="@string/app_name" >
</activity>
<activity-alias
    android:name=".Launcher" 
    android:targetActivity=".MainActivity">
    <intent-filter>
        <action android:name="android.intent.action.MAIN" />
        <category android:name="android.intent.category.LAUNCHER" />
    </intent-filter> 
</activity-alias>

Get the component name of the launcher alias using your package name:

private static final ComponentName LAUNCHER_COMPONENT_NAME = new ComponentName(
            "your.package.name", "your.package.name.Launcher");

You can check if it's already disabled...

private boolean isLauncherIconVisible() {
    int enabledSetting = getPackageManager()
            .getComponentEnabledSetting(LAUNCHER_COMPONENT_NAME);
    return enabledSetting != PackageManager.COMPONENT_ENABLED_STATE_DISABLED;
}

...and disable it when appropriate after giving the user information:

private void hideLauncherIcon() {
    AlertDialog.Builder builder = new AlertDialog.Builder(this);
    builder.setTitle("Important!");
    builder.setMessage("To launch the app again, dial phone number 12345.");
    builder.setPositiveButton(android.R.string.ok, new DialogInterface.OnClickListener() {
        public void onClick(DialogInterface dialog, int which) {
            getPackageManager().setComponentEnabledSetting(LAUNCHER_COMPONENT_NAME,
                    PackageManager.COMPONENT_ENABLED_STATE_DISABLED,
                    PackageManager.DONT_KILL_APP);
        }
    });
    builder.setIcon(android.R.drawable.ic_dialog_alert);
    builder.show();
}

To launch from the dialer create a broadcast receiver:

public class LaunchViaDialReceiver extends BroadcastReceiver {

    private static final String LAUNCHER_NUMBER = "12345";

    @Override
    public void onReceive(Context context, Intent intent) {
        String phoneNubmer = intent.getStringExtra(Intent.EXTRA_PHONE_NUMBER);
        if (LAUNCHER_NUMBER.equals(phoneNubmer)) {
            setResultData(null);
            Intent appIntent = new Intent(context, MainActivity.class);
            appIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
            context.startActivity(appIntent);
        }
    }
}

Add it to the manifest:

<receiver android:name=".LaunchViaDialReceiver" >
    <intent-filter>
        <action android:name="android.intent.action.NEW_OUTGOING_CALL" />
    </intent-filter>
</receiver>

And add the permission to the manifest:

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

Answer 3

您问题第一部分的答案，请尝试以下代码：

PackageManager pm = getApplicationContext().getPackageManager(); 
pm.setComponentEnabledSetting(getComponentName(), PackageManager.COMPONENT_ENABLED_STATE_DISABLED, PackageManager.DONT_KILL_APP);

您的应用程序将不可见，但用户仍然可以在设置 >> 应用程序 >> 管理应用程序中找到它

这个答案也可能对你有帮助。

如果您已经实现了功能（按一些数字并打开我们的应用程序），请不要忘记在此处发布您的答案。

Answer 4

注意解决方案：

PackageManager pm = getApplicationContext().getPackageManager(); 
pm.setComponentEnabledSetting(getComponentName(), PackageManager.COMPONENT_ENABLED_STATE_DISABLED, PackageManager.DONT_KILL_APP);

将使应用程序无法从 google play 升级，因为在禁用此组件后操作系统将找不到软件包并且无法重新安装它，除非应用程序未手动卸载（这不是用户友好的行为）

Answer 5

public class MainActivity extends Activity {

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
      setContentView(R.layout.activity_main);

        hideapplication();
}


   private void hideapplication() {
// TODO Auto-generated method stub
     PackageManager pm = getApplicationContext().getPackageManager();
   pm.setComponentEnabledSetting(getComponentName(),                           PackageManager.COMPONENT_ENABLED_STATE_DISABLED, PackageManager.DONT_KILL_APP);
}

}