Question

我想在图像视图上添加Click事件。通过单击“图像视图”，它应该打开Android相机。

    ImageView imageView = (ImageView) findViewById(R.id.ImageView1);
    imageView.setImageResource(R.drawable.camera);

Answer 1

switch (listCountry.get(position)) {


 case "India":
      Intent intent = new Intent(GridViewExampleActivity.this,IndiaActivity.class);
      break;
   case "Brazil":
      Intent intent = new Intent(GridViewExampleActivity.this,BrazilActivity.class);
      break;
   }
startActivity(intent);

处理请求：

    imageView = (ImageView) findViewById(R.id.ImageView1);
    imageView.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            Intent imageLoader = (Build.VERSION.SDK_INT > Build.VERSION_CODES.KITKAT)
                    ? new Intent(MediaStore.ACTION_IMAGE_CAPTURE_SECURE)
                    : new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
            startActivityForResult(imageLoader, 1);
        }
    });

您可能需要使用@Override protected void onActivityResult(int requestCode, int resultCode, Intent data) { if (resultCode == RESULT_OK){ switch (requestCode) { case 1: your_image_container_to_set_image.setImageBitmap((Bitmap) data.getExtras().get("data")); //use this if you trying to set image on Imageview break; } } }：

Permission

Answer 2

File file;

 imageView = (ImageView) findViewById(R.id.ImageView1);
    imageView.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            takePicture(v);
        }
    });
public void takePicture(View view) {
                Intent intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
                file = Uri.fromFile(getOutputMediaFile());
                intent.putExtra(MediaStore.EXTRA_OUTPUT, file);

                startActivityForResult(intent, 100);
            }

            @Override
            protected void onActivityResult(int requestCode, int resultCode, Intent data) {
                if (requestCode == 100) {
                    if (resultCode == RESULT_OK) {
                        imageView.setImageURI(file);
                    }
                }
            }


        private static File getOutputMediaFile(){
            File mediaStorageDir = new File(Environment.getExternalStoragePublicDirectory(
                    Environment.DIRECTORY_PICTURES), "CameraDemo");

            if (!mediaStorageDir.exists()){
                if (!mediaStorageDir.mkdirs()){
                    return null;
                }
            }

            String timeStamp = new SimpleDateFormat("yyyyMMdd_HHmmss").format(new Date());
            return new File(mediaStorageDir.getPath() + File.separator +
                        "IMG_"+ timeStamp + ".jpg");
        }

Imageview打开相机

2 个答案: