我会很感激一些帮助，我想在一个循环中使用 startActivityForResults() 在同一个 Intent 下拍摄三张照片，然后返回 onActivityResult ()，它使用 MarshMallow 及其特定权限在三个图像视图中打印这三张照片（我认为这个不是问题，应该在我的代码中解决），
问题是应用程序拍摄了这三张照片，并制作了 ArrayList 或 URI，但它并没有真正在三个图像视图中打印这三张照片，
这是我的代码，在此先感谢，
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MainActivity.java
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public class MainActivity extends AppCompatActivity {
//private int numFotos = 1;
//private Bitmap bitmap;
private ArrayList <Uri> uriFiles;
private ImageView imageView1, imageView2,imageView3;
private Button button_takePics;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
button_takePics = (Button) findViewById(R.id.Butt_tiraFotos);
imageView1 = (ImageView) findViewById(R.id.image_1);
imageView2 = (ImageView) findViewById(R.id.image_2);
imageView3 = (ImageView) findViewById(R.id.image_3);
if (ContextCompat.checkSelfPermission(this, Manifest.permission.CAMERA)
!= PackageManager.PERMISSION_GRANTED) {
button_takePics.setEnabled(false);
ActivityCompat.requestPermissions(this, new String[]
{ Manifest.permission.CAMERA, Manifest.permission.WRITE_EXTERNAL_STORAGE }, 0);
}
}
@Override
public void onRequestPermissionsResult(int requestCode, String[] permissions, int[] grantResults) {
if (requestCode == 0) {
if (grantResults.length > 0 && grantResults[0] == PackageManager.PERMISSION_GRANTED
&& grantResults[1] == PackageManager.PERMISSION_GRANTED) {
button_takePics.setEnabled(true);
}
}
}
public void takePictures(View view){
uriFiles = new ArrayList<>();
Intent intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
for (int i=1; i<4; i++){
uriFiles.add(Uri.fromFile(getOutputMediaFile()));
intent.putParcelableArrayListExtra(MediaStore.EXTRA_OUTPUT,uriFiles);
startActivityForResult(intent, 100);
}
}
private static File getOutputMediaFile() {
File mediaStorageDir=null;
File formattedFile = null;
mediaStorageDir = new File(Environment.getExternalStoragePublicDirectory(
Environment.DIRECTORY_PICTURES), "CameraDemo");
if (!mediaStorageDir.exists()){
if (!mediaStorageDir.mkdirs()){
Log.d("CameraDemo", "failed to create directory");
return null;
}
}
String timeStamp = new SimpleDateFormat("yyyyMMdd_HHmmss").format(new Date());
formattedFile= new File(mediaStorageDir.getPath() + File.separator +
"IMG_"+ timeStamp + ".jpg");
return formattedFile;
}
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
//super.onActivityResult(requestCode, resultCode, data);
if (requestCode == 100) {
if (resultCode == RESULT_OK) {
uriFiles = data.getParcelableArrayListExtra(MediaStore.EXTRA_OUTPUT);
// AQUI EMPIEZA EL PROBLEMA ////////
imageView1.setImageURI(uriFiles.get(0));
imageView2.setImageURI(uriFiles.get(1));
imageView3.setImageURI(uriFiles.get(2));
}
}
}
}
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activity_main.xml
-------------------
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:id="@+id/activity_main"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:paddingBottom="@dimen/activity_vertical_margin"
android:paddingLeft="@dimen/activity_horizontal_margin"
android:paddingRight="@dimen/activity_horizontal_margin"
android:paddingTop="@dimen/activity_vertical_margin"
android:orientation="vertical"
tools:context="com.example.faustocheca.photochooseshare.MainActivity">
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center"
android:layout_marginBottom="18dp"
android:layout_marginTop="18dp"
android:textSize="18sp"
android:text="Tira, escoge y comparte Fotos" />
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center"
android:hint="Tira 3 Fotos"
android:id="@+id/Butt_tiraFotos"
android:onClick="takePictures"
/>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginBottom="48dp"
android:orientation="horizontal"
>
<ImageView
android:id="@+id/image_1"
android:layout_weight="1"
android:layout_width="80dp"
android:layout_height="120dp"
android:layout_margin="1dp"
android:background="#feafea"/>
<ImageView
android:id="@+id/image_2"
android:layout_weight="1"
android:layout_width="80dp"
android:layout_height="120dp"
android:layout_margin="1dp"
android:background="#feafea"/>
<ImageView
android:id="@+id/image_3"
android:layout_weight="1"
android:layout_width="80dp"
android:layout_height="120dp"
android:layout_margin="1dp"
android:background="#feafea"/>
</LinearLayout>
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center"
android:hint="Comparte"
android:id="@+id/Butt_comparte"
/>
</LinearLayout>