我试图加载摄像机从我的Android应用拍照,推出Android相机意图和布局
我Photos.java是
private Uri imageUri;
public void takePhoto(View view) {
Intent intent = new Intent("android.media.action.IMAGE_CAPTURE");
File photo = new File(Environment.getExternalStorageDirectory(), "Pic.jpg");
intent.putExtra(MediaStore.EXTRA_OUTPUT,
Uri.fromFile(photo));
imageUri = Uri.fromFile(photo);
startActivityForResult(intent, TAKE_PICTURE);
}
@Override
public void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
switch (requestCode) {
case TAKE_PICTURE:
if (resultCode == Activity.RESULT_OK) {
Uri selectedImage = imageUri;
getContentResolver().notifyChange(selectedImage, null);
ImageView imageView = (ImageView) findViewById(R.id.ImageView);
ContentResolver cr = getContentResolver();
Bitmap bitmap;
try {
bitmap = android.provider.MediaStore.Images.Media
.getBitmap(cr, selectedImage);
imageView.setImageBitmap(bitmap);
Toast.makeText(this, selectedImage.toString(),
Toast.LENGTH_LONG).show();
} catch (Exception e) {
Toast.makeText(this, "Failed to load", Toast.LENGTH_SHORT)
.show();
Log.e("Camera", e.toString());
}
}
}
来完成这项工程。但它的布局部分将这个意图称为我正在努力的。
我创建了一个按钮加载相机
<Button
android:id="@+id/takePhoto"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginTop="41dp"
android:onClick="takePhoto"
android:text="@string/Photos_Button1" />
但现在我需要有一个部分,以显示我已经拍摄的图像。我怎么做?
我也收到错误,其中代码包括 “TAKE_PICTURE”说大炮被解析为一个变量...然后用“ImageView”说大炮解决或不是一个字段 谢谢 亨利 –