Android Activity之间传递图片(Bitmap)的方法

Intent intent=new Intent(MainActivity.this,TranActivity.class);
            intent.putExtra("bitmap",bitmap);
            startActivity(intent);

imageview=(ImageView)findViewById(R.id.trans_imageview);
        Intent intent=geTintent();
        if(intent!=null)
        {
            bitmap=intent.getParcelableExtra("bitmap");
            imageview.setImageBitmap(bitmap);
        }

imageview = (ImageView) findViewById(R.id.trans_imageview);
        Intent intent = geTintent();
        if (intent != null) {
            bitmap = intent.getParcelableExtra("bitmap");
            Matrix matrix = new Matrix(); //接收图片之后放大 1.5倍
            matrix.postScale(1.5f,1.5f);
            Bitmap bit = Bitmap.createBitmap(bitmap,bitmap.getWidth(),
                    bitmap.getHeight(),matrix,truE);
            imageview.setImageBitmap(bit);
        }