Example to retrieve the current system wallpaper by calling getDrawable() method of WallpaperManager; if no wallpaper is set, the system built-in static wallpaper is returned.
package com.blogspot.android_er.androidwallpaper;
import android.app.WallpaperManager;
import android.graphics.drawable.Drawable;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.widget.ImageView;
import android.widget.Toast;
public class MainActivity extends AppCompatActivity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
ImageView image = (ImageView)findViewById(R.id.image);
WallpaperManager myWallpaperManager =
WallpaperManager.getInstance(getApplicationContext());
Drawable drawableWallpaper = myWallpaperManager.getDrawable();
image.setImageDrawable(drawableWallpaper);
Toast.makeText(this,
drawableWallpaper.getMinimumWidth() + " x " + drawableWallpaper.getMinimumHeight()
+ "\n" +
drawableWallpaper.getIntrinsicWidth() + " x " + drawableWallpaper.getIntrinsicHeight(),
Toast.LENGTH_LONG).show();
}
}
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:padding="16dp"
android:orientation="vertical"
tools:context="com.blogspot.android_er.androidwallpaper.MainActivity">
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center_horizontal"
android:autoLink="web"
android:text="http://android-er.blogspot.com/"
android:textStyle="bold" />
<ImageView
android:id="@+id/image"
android:layout_width="match_parent"
android:layout_height="match_parent" />
</LinearLayout>
NextL
- Load photo and set Wallpaper
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