Android : Change App Label programmatically

Question

How can I change application label to change app name shown from java code in android? I'm refering to:

<application android:icon="@drawable/icon" android:label="@string/app_name">

in the Android Manifest

Is there any way to update values in strings.xml file?

Solution 1

It's not possible by the moment. It is a fixed string in the AndroidManifest.xml file which cannot be changed at runtime.

Solution 2

in the activity, i tried

this.setTitle("your text");

and it worked. I hope it's a common solution

Solution 3

Using <activity-alias> you can change App icon and name to few predefined by you.

Create such config in Mannifest.xml

<activity android:name="package.name.MainActivity"
 android:screenOrientation="portrait"
 android:label="@string/app_name"
 android:theme="@style/CustomTheme"
 android:launchMode="singleTask">
  <intent-filter>
    <category android:name="android.intent.category.LAUNCHER" />
  </intent-filter>
</activity>

<activity-alias android:label="@string/app_name_default" 
 android:icon="@drawable/icon_default" 
 android:name=".MainActivity-Default"
 android:enabled="true"
 android:targetActivity=".MainActivity">
  <intent-filter>
    <action android:name="android.intent.action.MAIN" />
    <category android:name="android.intent.category.LAUNCHER" />
  </intent-filter>   
</activity-alias>

<activity-alias android:label="@string/app_name_flavor_one" 
 android:icon="@drawable/icon_flavor_one" 
 android:name=".MainActivity-Flavor-One"
 android:enabled="false"
 android:targetActivity=".MainActivity">
  <intent-filter>
    <action android:name="android.intent.action.MAIN" />
    <category android:name="android.intent.category.LAUNCHER" />
  </intent-filter>   
</activity-alias>

Now you can switch between those two aliases, therefore we will change app icon or/and name. To switch from Default to Flavor-One use this code.

 getPackageManager().setComponentEnabledSetting(
    new ComponentName("package.name", "package.name.MainActivity-Flavor-One"), 
        PackageManager.COMPONENT_ENABLED_STATE_ENABLED, PackageManager.DONT_KILL_APP);
 getPackageManager().setComponentEnabledSetting(
    new ComponentName("package.name", "package.name.MainActivity-Default"), 
        PackageManager.COMPONENT_ENABLED_STATE_DISABLED, PackageManager.DONT_KILL_APP);

Keep in mind that you have to track that only one alias will be enabled at a time

Solution 4

In Launcher Activity,Before setContentView() write this,

setTitle("Your Title");

I don't know how it's possible, But it's surely works.

Solution 5

Application's android:label is a fixed resource referrer.

But the string under this referrer could have multiple values, depending on configuration qualifier names (values-en, -large, -land, etc.), according to Providing Alternative Resources.

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