当把位图从一个活动传到另一个活动时,绑定器交易失败。[英] FAILED BINDER TRANSACTION while passing Bitmap from one activity to another

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问题描述

我希望将图像从一个活动传递给另一个活动.我想知道是否有可能这样做.

发送活动

Intent intent = new Intent(getApplicationContext(), BitmapActivity.class);
                Bundle b = new Bundle();
                b.putParcelable("BITMAP", bitmap);
                intent.putExtras(b);
                startActivity(intent);

接收活动

Bundle bb = this.getIntent().getExtras();
    b = bb.getParcelable("BITMAP");

但我得到 !!!失败的粘合剂交易!!! 错误

推荐答案

您可以使用包含静态位图对象的全局类,如下所示:

public class Global { static Bitmap img; }

在通过意图阐述活动之前,将位图分配给此全局类属性:

Global.img = your_bitmap_img;

启动活动后,您可以通过以下方式返回您的位图:

bitmap_in_new_activity = Global.img;

我知道全局变量对于调试太危险,但这种技术有助于我们将大数据从一个活动转移到另一个活动.除了您的设备功能或您的应用程序时,粘合剂事务缓冲区具有有限的固定大小,目前为1MB.

其他推荐答案

Bitmap bmp = BitmapFactory.decodeResource(getResources(), R.drawable.f1);
    ByteArrayOutputStream stream = new ByteArrayOutputStream();
    bmp.compress(Bitmap.CompressFormat.PNG, 100, stream);
    byte[] food = stream.toByteArray();
    Intent intent = new Intent(MainActivity.this,NoBoringActionBarActivity.class);
    intent.putExtras(bundle);
    intent.putExtra("picture", food);
    startActivity(intent);  

发送活动

Bundle extras = getIntent().getExtras();


    byte[] food = extras.getByteArray("picture");
    Bitmap fo = BitmapFactory.decodeByteArray(food, 0, food.length);
    mHeaderLogo = (ImageView) findViewById(R.id.header_logo);
    //ImageView image = (ImageView) findViewById(R.id.header_logo);
    mHeaderLogo.setImageBitmap(fo);   

接收活动

别忘了把你的图像放在drawable中.

本文地址:https://www.itbaoku.cn/post/102527.html

问题描述

I want to pass a image as a bitmap from one activity to another. And i want to know whether it is possible to do like that.

Sending Activity

Intent intent = new Intent(getApplicationContext(), BitmapActivity.class);
                Bundle b = new Bundle();
                b.putParcelable("BITMAP", bitmap);
                intent.putExtras(b);
                startActivity(intent);

Receiving Activity

Bundle bb = this.getIntent().getExtras();
    b = bb.getParcelable("BITMAP");

But i am getting !!! FAILED BINDER TRANSACTION !!! Error

推荐答案

You can use a global class with a static bitmap object in it, something like this:

public class Global { static Bitmap img; }

Before stating the activity by intent, assign your bitmap to this Global class attribute:

Global.img = your_bitmap_img;

After starting your activity, you can get back your bitmap by:

bitmap_in_new_activity = Global.img;

I know global variables are too dangerous for debugging but this technique helps us to transfer large data from one activity to another.The binder transaction buffer has a limited fixed size, currently 1Mb regardless of your device capabilities or your app.

其他推荐答案

Bitmap bmp = BitmapFactory.decodeResource(getResources(), R.drawable.f1);
    ByteArrayOutputStream stream = new ByteArrayOutputStream();
    bmp.compress(Bitmap.CompressFormat.PNG, 100, stream);
    byte[] food = stream.toByteArray();
    Intent intent = new Intent(MainActivity.this,NoBoringActionBarActivity.class);
    intent.putExtras(bundle);
    intent.putExtra("picture", food);
    startActivity(intent);  

Sending Activity

Bundle extras = getIntent().getExtras();


    byte[] food = extras.getByteArray("picture");
    Bitmap fo = BitmapFactory.decodeByteArray(food, 0, food.length);
    mHeaderLogo = (ImageView) findViewById(R.id.header_logo);
    //ImageView image = (ImageView) findViewById(R.id.header_logo);
    mHeaderLogo.setImageBitmap(fo);   

Receiving Activity

Don't forget to place your image in drawable.