Android Open Source - my-wallpaper Set Wallpaper Task

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From Project

Back to project page my-wallpaper.

License

The source code is released under:

MIT License

Java Source Code

package com.koonen.photostream;
//from w ww .  j  ava2  s.c  om
import java.io.File;
import java.io.IOException;
import java.io.InputStream;

import android.content.Context;
import android.util.Log;

/**
 * Background task to set the cropped image as the wallpaper. The task simply
 * open the temporary file and sets it as the new wallpaper. The task ends by
 * deleting the temporary file and display a message to the user.
 */
public class SetWallpaperTask extends UserTask<Void, Void, Boolean> {

  private static final String TAG = SetWallpaperTask.class.getCanonicalName();

  private Context context;
  private WallPaperExecutor wallPaperExecutor;

  SetWallpaperTask(Context context, WallPaperExecutor wallPaperExecutor) {
    super();
    this.context = context;
    this.wallPaperExecutor = wallPaperExecutor;
  }

  public Boolean doInBackground(Void... params) {
    boolean success = false;
    InputStream in = null;
    try {
      File file = context
          .getFileStreamPath(CropWallpaperTask.WALLPAPER_FILE_NAME);
      if (file.exists() && file.canRead()) {
        in = context
            .openFileInput(CropWallpaperTask.WALLPAPER_FILE_NAME);
        context.setWallpaper(in);
        success = true;
      }
    } catch (Exception e) {
      Log.e(TAG, "Couldn't set wallpaper", e);
      success = false;
    } finally {
      if (in != null) {
        try {
          in.close();
        } catch (IOException e) {
          success = false;
        }
      }
    }
    return success;
  }

  @Override
  public void onPostExecute(Boolean result) {
    wallPaperExecutor.onCleanWallPaper();

    if (result) {
      wallPaperExecutor.onShowWallpaperSuccess();
    }

    wallPaperExecutor.onFinish();
  }
}

Java Source Code List

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