Android 意图不在onActivityResult中工作

我正在尝试从我的第一个活动的图库中获取图像，并希望在第二个活动的ImageView中获得结果图像

以下是第一个活动的代码：

 @Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);

    imageVew = (ImageView) findViewById(R.id.imageView);
}

public void useGalleryMethod(View view) {
    //this is for picking Image from Gallery or file
    Intent intent = new Intent(Intent.ACTION_GET_CONTENT, MediaStore.Images.Media.EXTERNAL_CONTENT_URI);
    intent.setType("image/*");
    startActivityForResult(intent, 0);
}

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_image_view);

    Intent getIntentInfo = getIntent();

    if(getIntentInfo != null){
        ImageView imageView = (ImageView) findViewById(R.id.imageView);
        Bitmap bitmap = (Bitmap) getIntentInfo.getParcelableExtra("Bitmap");
        imageView.setImageBitmap(bitmap);
    }else{
        return;
    }
}

第一个类中的onActivityResult（）：

 @Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
    super.onActivityResult(requestCode, resultCode, data);
    Bitmap bitmap = null;
    if (requestCode == 0 && resultCode == RESULT_OK && data != null) {

        try {
            //this is for picking Image from Gallery or file
            bitmap = MediaStore.Images.Media.getBitmap(getContentResolver(), data.getData());
            imageVew.setImageBitmap(bitmap);

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

        } catch (Exception e) {
            e.printStackTrace();
        }
    }

第二个活动的代码：

 @Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);

    imageVew = (ImageView) findViewById(R.id.imageView);
}

public void useGalleryMethod(View view) {
    //this is for picking Image from Gallery or file
    Intent intent = new Intent(Intent.ACTION_GET_CONTENT, MediaStore.Images.Media.EXTERNAL_CONTENT_URI);
    intent.setType("image/*");
    startActivityForResult(intent, 0);
}

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_image_view);

    Intent getIntentInfo = getIntent();

    if(getIntentInfo != null){
        ImageView imageView = (ImageView) findViewById(R.id.imageView);
        Bitmap bitmap = (Bitmap) getIntentInfo.getParcelableExtra("Bitmap");
        imageView.setImageBitmap(bitmap);
    }else{
        return;
    }
}

应用程序运行正常，仅在第一类的ImageView中显示画廊图像，而不使用onActivityResult方法中的Intent进入第二个活动

请让我知道我的代码有什么问题？

---

或者有没有别的办法，我走的方向不对

使用比您使用的包裹更方便的方法：

方法1：您可以将其保存到sd卡并检索

或 方法2：

将位图转换为字节数组：-

Bitmap bmp = BitmapFactory.decodeResource(getResources(), R.drawable.ic_launcher);
ByteArrayOutputStream stream = new ByteArrayOutputStream();
bmp.compress(Bitmap.CompressFormat.PNG, 100, stream);
byte[] byteArray = stream.toByteArray();

Intent intent = new Intent(this, NextActivity.class);
intent.putExtra("picture", byteArray);
startActivity(intent);

Bundle extras = getIntent().getExtras();
byte[] byteArray = extras.getByteArray("picture");

Bitmap bmp = BitmapFactory.decodeByteArray(byteArray, 0, byteArray.length);
ImageView image = (ImageView) findViewById(R.id.imageView1);

image.setImageBitmap(bmp);

传递字节数组的意图：-

Bitmap bmp = BitmapFactory.decodeResource(getResources(), R.drawable.ic_launcher);
ByteArrayOutputStream stream = new ByteArrayOutputStream();
bmp.compress(Bitmap.CompressFormat.PNG, 100, stream);
byte[] byteArray = stream.toByteArray();

Intent intent = new Intent(this, NextActivity.class);
intent.putExtra("picture", byteArray);
startActivity(intent);

Bundle extras = getIntent().getExtras();
byte[] byteArray = extras.getByteArray("picture");

Bitmap bmp = BitmapFactory.decodeByteArray(byteArray, 0, byteArray.length);
ImageView image = (ImageView) findViewById(R.id.imageView1);

image.setImageBitmap(bmp);

从bundle中接收的ByteArray获取位图：-

Bitmap bmp = BitmapFactory.decodeResource(getResources(), R.drawable.ic_launcher);
ByteArrayOutputStream stream = new ByteArrayOutputStream();
bmp.compress(Bitmap.CompressFormat.PNG, 100, stream);
byte[] byteArray = stream.toByteArray();

Intent intent = new Intent(this, NextActivity.class);
intent.putExtra("picture", byteArray);
startActivity(intent);

Bundle extras = getIntent().getExtras();
byte[] byteArray = extras.getByteArray("picture");

Bitmap bmp = BitmapFactory.decodeByteArray(byteArray, 0, byteArray.length);
ImageView image = (ImageView) findViewById(R.id.imageView1);

image.setImageBitmap(bmp);

在第一个活动的

onActivityResult（）

中，替换此-

@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
    super.onActivityResult(requestCode, resultCode, data);
    Bitmap bitmap = null;
    if (requestCode == 0 && resultCode == RESULT_OK && data != null) {

        try {
            //this is for picking Image from Gallery or file
            bitmap = MediaStore.Images.Media.getBitmap(getContentResolver(), data.getData());
            imageVew.setImageBitmap(bitmap);

            // Send Image URI istead
            Intent intent = new Intent(MainActivity.this,ImageViewActivity.class);
            intent.putExtra("imageUri", data.getData().toString());
            startActivity(intent);

        } catch (Exception e) {
            e.printStackTrace();
        }
    }

在第二个活动中，做一些类似的事情-

if(getIntentInfo != null){
        ImageView imageView = (ImageView) findViewById(R.id.imageView);
        Bitmap bitmap = MediaStore.Images.Media.getBitmap(getContentResolver(),
            Uri.parse(getIntentInfo.getStringExtra("imageUri")));
        imageVew.setImageBitmap(bitmap);
    }else{
        return;
    }

---

检查答案，它工作正常bmp=BitmapFactory.decodeResource（getResources（），R.drawable.ic_启动器）；我没有任何可绘制的，ic.launcher出现错误（无法解决符号ic.launcher）问题已解决：我使用位图Bitmap=MediaStore.Images.Media.getBitmap（getContentResolver（），data.getData（））；代替位图bmp=BitmapFactory.decodeResource（getResources（），R.drawable.ic_启动器）；以及将位图转换为字节数组的其余代码，并解决了该问题。很高兴能帮助您位图bitmap=MediaStore.Images.Media.getBitmap（getContentResolver（），Uri.parse（getIntentInfo.getString（“imageUri”））；无法将.getString（“imageUri”）与意图对象“getIntentInfo”一起使用否！仍然不起作用。但是谢谢你的时间和帮助。我的问题解决了！