Wallpaper Not Properly Fit on Device Screen

Wallpaper not properly fit on device screen

Hello This is working with drawable image i have checked it..

                DisplayMetrics metrics = new DisplayMetrics(); 
                getWindowManager().getDefaultDisplay().getMetrics(metrics);
                int height = metrics.heightPixels; 
                int width = metrics.widthPixels;
                Bitmap tempbitMap = BitmapFactory.decodeResource(getResources(), R.drawable.img);
                Bitmap bitmap = Bitmap.createScaledBitmap(tempbitMap,width,height, true);
                WallpaperManager wallpaperManager = WallpaperManager.getInstance(MainActivity.this); 
                wallpaperManager.setWallpaperOffsetSteps(1, 1);
                wallpaperManager.suggestDesiredDimensions(width, height);
                try {
                  wallpaperManager.setBitmap(bitmap);
                  } catch (IOException e) {
                  e.printStackTrace();
                }

Also mention these permissions in Manifest.xml..

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

This is screenshot..

For reset Fit wallpaper of screen store the image path in shared preferences and use Boot Completed Receiver then reset the same wallpaper on the screen....

The broadcast receiver is..

import java.io.IOException;

import android.app.WallpaperManager;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.util.DisplayMetrics;
import android.util.Log;
import android.view.WindowManager;

public class BootReceiver extends BroadcastReceiver {
private static final String TAG="BootReceiver";

@Override public void onReceive(Context context,Intent intent){
    try{
            DisplayMetrics metrics = new DisplayMetrics(); 
            WindowManager windowManager = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE);
            windowManager.getDefaultDisplay().getMetrics(metrics);
            int height = metrics.heightPixels; 
            int width = metrics.widthPixels;
            Bitmap tempbitMap = BitmapFactory.decodeResource(context.getResources(), R.drawable.img);
            Bitmap bitmap = Bitmap.createScaledBitmap(tempbitMap,width,height, true);
            WallpaperManager wallpaperManager = WallpaperManager.getInstance(context); 
            wallpaperManager.setWallpaperOffsetSteps(1, 1);
            wallpaperManager.suggestDesiredDimensions(width, height);
            try {
              wallpaperManager.setBitmap(bitmap);
              } catch (IOException e) {
              e.printStackTrace();
            }
    }catch(Exception e){
        Log.e(TAG,e.toString());
    }
}
}

After Add these lines in Manifest.xml

       <receiver
            android:name=".BootReceiver"
            android:enabled="true"
            android:exported="true"
            android:label="BootReceiver" >
            <intent-filter>
                <action android:name="android.intent.action.BOOT_COMPLETED" >
                </action>
            </intent-filter>
        </receiver>

Wallpaper not properly fit on Samsung devices

I solve this problem using call INTENT in place of WallpaperManager like this:

//load file

File file = new File(getGalleryPath());

if ( file.exists()) {
     Intent intent = new Intent(Intent.ACTION_ATTACH_DATA);
     intent.addCategory(Intent.CATEGORY_DEFAULT);
     intent.setDataAndType(Uri.fromFile(file), "image/jpeg");
     intent.putExtra("mimeType", "image/jpeg");
     this.startActivity(Intent.createChooser(intent, "Set as:"));
} else {
     Log.d("TEST", "file not exixts.");
}

// method for getting Image path

private static String getGalleryPath() {
    return Environment.getExternalStorageDirectory() + "/" + Environment.DIRECTORY_DCIM + "/MyImages/IMG-20160326-WA0083.jpg";   
}

Android Wallpaper Doesn't fit. (Overflows and crops automatically.)

DisplayMetrics metrics = new DisplayMetrics(); 
getWindowManager().getDefaultDisplay().getMetrics(metrics);
int height = metrics.heightPixels; 
int width = metrics.widthPixels;
Bitmap tempbitMap = BitmapFactory.decodeResource(getResources(), R.drawable.img);
Bitmap bitmap = Bitmap.createScaledBitmap(tempbitMap,width,height, true);
WallpaperManager wallpaperManager = WallpaperManager.getInstance(MainActivity.this); 
wallpaperManager.setWallpaperOffsetSteps(1, 1);
wallpaperManager.suggestDesiredDimensions(width, height);
try {
    wallpaperManager.setBitmap(bitmap);
} catch (IOException e) {
    e.printStackTrace();
}

Question was answered really long ago if i am not mistaking?

android wallpapermanager fit screen

Wallpaper fit image to screen size

See if this helps:

DisplayMetrics metrics = new DisplayMetrics();
getWindowManager().getDefaultDisplay().getMetrics(metrics);
int height = metrics.heightPixels;
int width = metrics.widthPixels; 
Bitmap bitmap = Bitmap.createScaledBitmap(yourimagebitmap, width, height, true);
WallpaperManager.getInstance(MyActivity.this).setBitmap(bitmap);  

Source: Android setting wallpaper gone wrong

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