选择的图像未在 mainActivity 中显示
为什么选择的图像没有显示在 Claims.java
中?我错过了什么吗?
Why the image selected did not display in Claims.java
? Have I missed anything ?
mainfest.xml
<uses-permission android:name="android.permission.CAMERA" />
<uses-feature android:name="android.hardware.camera" />
<uses-feature android:name="android.hardware.camera.autofocus" />
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
<uses-sdk
android:minSdkVersion="7"
android:targetSdkVersion="16" />
camera_main.xml
<?xml version="1.0" encoding="utf-8"?>
<ScrollView
xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
android:fillViewport="false">
<AbsoluteLayout
android:id="@+id/LinearLayout1"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
android:padding="10dp" >
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:gravity="center"
android:padding="5dp" >
</LinearLayout>
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Select Picture"
android:id="@+id/btnSelectPhoto"
android:layout_x="111dp"
android:layout_y="305dp" />
<Button
android:layout_width="121dp"
android:layout_height="61dp"
android:text="Submit"
android:id="@+id/button8"
android:layout_x="131dp"
android:layout_y="681dp" />
<ImageView
android:layout_width="285dp"
android:layout_height="285dp"
android:id="@+id/imageView"
android:layout_x="43dp"
android:layout_y="376dp"
android:contentDescription="i" />
</AbsoluteLayout>
</ScrollView>
Claims.java
公共类声明扩展片段{
ImageView viewImage;
Button b;
private String selectedImagePath;
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
View claims = inflater.inflate(R.layout.camera_main, container, false);
b = (Button) claims.findViewById(R.id.btnSelectPhoto);
viewImage=(ImageView)claims.findViewById(R.id.imageView);
b.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
selectImage();
}
});
return claims;
}
private void selectImage() {
final CharSequence[] options = {"Take Photo", "Choose from Gallery", "Cancel"};
AlertDialog.Builder builder = new AlertDialog.Builder(Claims.this.getActivity());
builder.setTitle("Add Photo!");
builder.setItems(options, new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int item) {
if (options[item].equals("Take Photo")) {
Intent intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
File f = new File(android.os.Environment.getExternalStorageDirectory(), "temp.jpg");
intent.putExtra(MediaStore.EXTRA_OUTPUT, Uri.fromFile(f));
String state = Environment.getExternalStorageState();
if (state.equals(Environment.MEDIA_MOUNTED)) {
Toast.makeText(getActivity().getApplicationContext(), " mounted ", Toast.LENGTH_LONG).show();
}
startActivityForResult(intent, 1);
} else if (options[item].equals("Choose from Gallery")) {
Intent intent = new Intent(Intent.ACTION_PICK, android.provider.MediaStore.Images.Media.EXTERNAL_CONTENT_URI);
startActivityForResult(intent, 2);
} else if (options[item].equals("Cancel")) {
dialog.dismiss();
}
}
});
builder.show();
}
@Override
public void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
if (resultCode == Activity.RESULT_OK) {
if (requestCode == 1) {
File f = new File(Environment.getExternalStorageDirectory().toString());
if(f != null){
Toast.makeText(getActivity().getApplicationContext(), " not null ", Toast.LENGTH_LONG).show();
}
for (File temp : f.listFiles()) {
if (temp.getName().equals("temp.jpg")) {
f = temp;
break;
}
}
try {
Bitmap bitmap;
BitmapFactory.Options bitmapOptions = new BitmapFactory.Options();
bitmap = BitmapFactory.decodeFile(f.getAbsolutePath(),
bitmapOptions);
viewImage.setImageBitmap(bitmap);
String path = android.os.Environment
.getExternalStorageDirectory()
+ File.separator
+ "Phoenix" + File.separator + "default";
f.delete();
OutputStream outFile = null;
File file = new File(path, String.valueOf(System.currentTimeMillis()) + ".jpg");
try {
outFile = new FileOutputStream(file);
bitmap.compress(Bitmap.CompressFormat.JPEG, 85, outFile);
outFile.flush();
outFile.close();
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
} catch (Exception e) {
e.printStackTrace();
}
} catch (Exception e) {
e.printStackTrace();
}
} else if (requestCode == 2) {
Uri selectedImage = data.getData();
String[] filePath = { MediaStore.Images.Media.DATA };
Cursor c = getActivity().getContentResolver().query(selectedImage, filePath, null, null, null);
c.moveToFirst();
int columnIndex = c.getColumnIndex(filePath[0]);
String picturePath = c.getString(columnIndex);
if(picturePath.startsWith("/")) picturePath = picturePath.substring(1);
c.close();
Bitmap thumbnail = (BitmapFactory.decodeFile(picturePath));
Drawable d = new BitmapDrawable(thumbnail);
viewImage.setBackground(d);
}
}
}
当我选择图像时,imageviewe
上没有任何显示.但是如果我从相机捕获图像,图像可以显示...为什么?
When I select the image, nothing display on imageviewe
. But if I capture Image from camera, the image can display...WHy?
10-22 14:28:11.128 7451-7451/com.example.project.project E/ViewRootImpl﹕ sendUserActionEvent() mView == null
10-22 14:28:15.228 7451-7451/com.example.project.project E/BitmapFactory﹕ Unable to decode stream: java.io.FileNotFoundException: /https:/lh3.googleusercontent.com/-ZiYOXTFTKqQ/URcxPqvEtTI/AAAAAAAAAJw/GN893VrnxGw/I/PANO_20130210_133321.jpg: open failed: ENOENT (No such file or directory)
这是什么意思?我怎样才能解决这个问题?我如何知道 android studio
中的 sdk
版本?请帮帮我....谢谢
What does this mean? How can I fix this? And how can I know the sdk
version in android studio
? Please help me.... Thanks
推荐答案
你好,我也面临同样的问题,我确实喜欢这个......
Hi Iam also facing the same problem and I did like this...
String[] filePathColumn = {MediaStore.Images.Media.DATA};
Cursor cursor = getActivity().getContentResolver().query(data.getData(),
filePathColumn, null, null, null);
cursor.moveToFirst();
int columnIndex = cursor.getColumnIndex(filePathColumn[0]);
String imgDecodableString = cursor.getString(columnIndex);
cursor.close();
viewImage.setImageBitmap(BitmapFactory
.decodeFile(imgDecodableString));
您只需将 else if(requestCode == 2) 中的代码替换为上述代码
you just replace the code in else if(requestCode == 2) with the above mentioned code
希望这能解决您的问题
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