这是我的document.java代码。当我捕捉图像显示的构象。当我得到确认时，图像显示在ImageView中。在构造之前，我想裁剪图像。而且我还希望从图库中选择图像选项（从内部存储导入）。
import android.app.Activity;
import android.app.FragmentTransaction;
import android.content.Intent;
import android.graphics.Bitmap;
import android.net.Uri;
import android.os.Bundle;
import android.provider.MediaStore;
import android.support.v7.app.AppCompatActivity;
import android.view.View;
import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.EditText;
import android.widget.ImageView;
import android.widget.Spinner;
import java.io.IOException;
import static com.dk.deepan.salvador.R.id.img;
public class Document extends AppCompatActivity {
private static final int CAMERA_REQUEST = 1888;
private ImageView imageView;
private int PICK_IMAGE_REQUEST = 1;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_document);
//first edittext
EditText txtDate =(EditText)findViewById(R.id.issue);
txtDate.setOnClickListener (new View.OnClickListener () {
@Override
public void onClick(View v) {
DateDialog dialog=new DateDialog(v);
FragmentTransaction ft =getFragmentManager().beginTransaction();
dialog.show(ft, "DatePicker");
}
});
//second edittext
EditText txtDate2 =(EditText)findViewById(R.id.expiry);
txtDate2.setOnClickListener (new View.OnClickListener(){
@Override
public void onClick(View v) {
DateDialog dialog=new DateDialog(v);
FragmentTransaction ft =getFragmentManager().beginTransaction();
dialog.show(ft, "DatePicker");
}
});
//take a photo
this.imageView = (ImageView)this.findViewById(img);
Button photoButton = (Button) this.findViewById(R.id.camera);
photoButton.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
Intent cameraIntent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
startActivityForResult(cameraIntent, CAMERA_REQUEST);
}
});
//Attach file
Button imageView = (Button) findViewById(R.id.attachfile);
imageView.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
Intent intent = new Intent();
// Show only images, no videos or anything else
intent.setType("image/*");
intent.setAction(Intent.ACTION_GET_CONTENT);
// Always show the chooser (if there are multiple options available)
startActivityForResult(Intent.createChooser(intent, "Select Picture"), PICK_IMAGE_REQUEST);
}
});
//spinner for select document
Spinner spinner = (Spinner) findViewById(R.id.spinner);
ArrayAdapter<CharSequence> adapter = ArrayAdapter.createFromResource(this,
R.array.document_array, android.R.layout.simple_spinner_item);
adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
spinner.setAdapter(adapter);
}
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
//take photo
if (requestCode == CAMERA_REQUEST && resultCode == Activity.RESULT_OK) {
Bitmap photo = (Bitmap) data.getExtras().get("data");
imageView.setImageBitmap(photo);
} else if (requestCode == PICK_IMAGE_REQUEST && resultCode == RESULT_OK && data != null && data.getData() != null) {
Uri uri = data.getData();
try {
Bitmap bitmap = MediaStore.Images.Media.getBitmap(getContentResolver(), uri);
// Log.d(TAG, String.valueOf(bitmap));
ImageView imageView = (ImageView) findViewById(R.id.img);
imageView.setImageBitmap(bitmap);
} catch (IOException e) {
e.printStackTrace();
}
}
}
}