Load Bitmap and Draw : Bitmap « 2D Graphics « Android

1. Android
2. 2D Graphics
3. Bitmap

Load Bitmap and Draw

    
package app.test;

import java.io.IOException;
import java.io.InputStream;

import android.app.Activity;
import android.content.Context;
import android.content.res.AssetManager;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.Canvas;
import android.graphics.Rect;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.view.Window;
import android.view.WindowManager;

public class Test extends Activity {
  class RenderView extends View {
    Bitmap bitmap1;
    Bitmap bitmap2;
    Rect dst = new Rect();

    public RenderView(Context context) {
      super(context);
      try {
        AssetManager assetManager = context.getAssets();
        InputStream inputStream = assetManager.open("a.png");
        bitmap1 = BitmapFactory.decodeStream(inputStream);
        inputStream.close();
        Log.d("Text",""+bitmap1.getConfig());
        inputStream = assetManager.open("b.png");
        BitmapFactory.Options options = new BitmapFactory.Options();
        options.inPreferredConfig = Bitmap.Config.ARGB_4444;
        bitmap2 = BitmapFactory.decodeStream(inputStream, null, options);
        inputStream.close();
        Log.d("BitmapText","" + bitmap2.getConfig());
      } catch (IOException e) {
        
      }
    }

    protected void onDraw(Canvas canvas) {
      dst.set(50, 50, 350, 350);
      canvas.drawBitmap(bitmap1, null, dst, null);
      canvas.drawBitmap(bitmap2, 100, 100, null);
      invalidate();
    }
  }

  @Override
  public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    requestWindowFeature(Window.FEATURE_NO_TITLE);
    getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,
        WindowManager.LayoutParams.FLAG_FULLSCREEN);
    setContentView(new RenderView(this));
  }
}

   
    
    
    
  

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