Hello everyone, I write example code for capture & select image from gallery and cropping image in android. see below example code.
1. Create XML file in layout folder "res/layout/activity_main.xml".
3. Create an activity Java file "MainActivity.java".
4. Create Java file "CropingOption.java"
5. Create Java file "CropingOptionAdapter.java"
6. Add your activity class and user permission in "AndroidManifest.xml".
7. ScreenShot".
Thanks :)
Download Code
1. Create XML file in layout folder "res/layout/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:layout_width="match_parent"
android:layout_height="match_parent"
android:gravity="center_horizontal"
android:orientation="vertical">
<Button
android:id="@+id/btn_select_image"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginLeft="10dp"
android:layout_marginRight="10dp"
android:layout_marginTop="10dp"
android:text="Select Image" />
<ImageView
android:id="@+id/img_photo"
android:layout_width="200dp"
android:layout_height="200dp"
android:layout_marginTop="10dp"
android:scaleType="fitXY" />
</LinearLayout>
2. Create XML file in layout folder "res/layout/croping_selector.xml".
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:gravity="center_vertical"
android:padding="10dp" >
<ImageView
android:id="@+id/img_icon"
android:layout_width="wrap_content"
android:layout_height="wrap_content" />
<TextView
android:id="@+id/txt_name"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginLeft="10dp"
android:text=""
android:textColor="@android:color/black"
android:textSize="16sp" />
</LinearLayout>
3. Create an activity Java file "MainActivity.java".
package com.limbani.imagecropping;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.util.ArrayList;
import java.util.List;
import android.Manifest;
import android.app.Activity;
import android.app.AlertDialog;
import android.content.ComponentName;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.content.pm.ResolveInfo;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.net.Uri;
import android.os.Bundle;
import android.provider.MediaStore;
import android.support.annotation.NonNull;
import android.support.v4.app.ActivityCompat;
import android.support.v4.content.ContextCompat;
import android.support.v7.app.AppCompatActivity;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.ImageView;
import android.widget.Toast;
public class MainActivity extends AppCompatActivity {
private final static int REQUEST_PERMISSION_REQ_CODE = 34;
private static final int CAMERA_CODE = 101, GALLERY_CODE = 201, CROPING_CODE = 301;
private Button btn_select_image;
private ImageView imageView;
private Uri mImageCaptureUri;
private File outPutFile = null;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
outPutFile = new File(android.os.Environment.getExternalStorageDirectory(), "temp.jpg");
btn_select_image = (Button) findViewById(R.id.btn_select_image);
imageView = (ImageView) findViewById(R.id.img_photo);
btn_select_image.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
selectImageOption();
}
});
}
private void selectImageOption() {
final CharSequence[] items = { "Capture Photo", "Choose from Gallery", "Cancel" };
AlertDialog.Builder builder = new AlertDialog.Builder(MainActivity.this);
builder.setTitle("Add Photo!");
builder.setItems(items, new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int item) {
if (items[item].equals("Capture Photo")) {
Intent intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
File f = new File(android.os.Environment.getExternalStorageDirectory(), "temp1.jpg");
mImageCaptureUri = Uri.fromFile(f);
intent.putExtra(MediaStore.EXTRA_OUTPUT, mImageCaptureUri);
startActivityForResult(intent, CAMERA_CODE);
} else if (items[item].equals("Choose from Gallery")) {
Intent i = new Intent(Intent.ACTION_PICK, android.provider.MediaStore.Images.Media.EXTERNAL_CONTENT_URI);
startActivityForResult(i, GALLERY_CODE);
} else if (items[item].equals("Cancel")) {
dialog.dismiss();
}
}
});
builder.show();
}
@Override
protected void onResume() {
super.onResume();
if (ContextCompat.checkSelfPermission(MainActivity.this, Manifest.permission.WRITE_EXTERNAL_STORAGE) != PackageManager.PERMISSION_GRANTED) {
ActivityCompat.requestPermissions(this, new String[]{Manifest.permission.WRITE_EXTERNAL_STORAGE}, REQUEST_PERMISSION_REQ_CODE);
return;
}
}
@Override
public void onRequestPermissionsResult(final int requestCode, final @NonNull String[] permissions, final @NonNull int[] grantResults) {
switch (requestCode) {
case REQUEST_PERMISSION_REQ_CODE: {
if (grantResults[0] == PackageManager.PERMISSION_GRANTED) {
Toast.makeText(this, "Permission granted.", Toast.LENGTH_SHORT).show();
} else {
Toast.makeText(this, "Permission denied.", Toast.LENGTH_SHORT).show();
}
break;
}
}
}
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
if (requestCode == GALLERY_CODE && resultCode == RESULT_OK && null != data) {
mImageCaptureUri = data.getData();
System.out.println("Gallery Image URI : "+mImageCaptureUri);
CropingIMG();
} else if (requestCode == CAMERA_CODE && resultCode == Activity.RESULT_OK) {
System.out.println("Camera Image URI : "+mImageCaptureUri);
CropingIMG();
} else if (requestCode == CROPING_CODE) {
try {
if(outPutFile.exists()){
Bitmap photo = decodeFile(outPutFile);
imageView.setImageBitmap(photo);
}
else {
Toast.makeText(getApplicationContext(), "Error while save image", Toast.LENGTH_SHORT).show();
}
} catch (Exception e) {
e.printStackTrace();
}
}
}
private void CropingIMG() {
final ArrayList<cropingoption> cropOptions = new ArrayList<cropingoption>();
Intent intent = new Intent("com.android.camera.action.CROP");
intent.setType("image/*");
List<resolveinfo> list = getPackageManager().queryIntentActivities( intent, 0 );
int size = list.size();
if (size == 0) {
Toast.makeText(this, "Cann't find image croping app", Toast.LENGTH_SHORT).show();
return;
} else {
intent.setData(mImageCaptureUri);
intent.putExtra("outputX", 512);
intent.putExtra("outputY", 512);
intent.putExtra("aspectX", 1);
intent.putExtra("aspectY", 1);
intent.putExtra("scale", true);
//TODO: don't use return-data tag because it's not return large image data and crash not given any message
//intent.putExtra("return-data", true);
//Create output file here
intent.putExtra(MediaStore.EXTRA_OUTPUT, Uri.fromFile(outPutFile));
if (size == 1) {
Intent i = new Intent(intent);
ResolveInfo res = (ResolveInfo) list.get(0);
i.setComponent( new ComponentName(res.activityInfo.packageName, res.activityInfo.name));
startActivityForResult(i, CROPING_CODE);
} else {
for (ResolveInfo res : list) {
final CropingOption co = new CropingOption();
co.title = getPackageManager().getApplicationLabel(res.activityInfo.applicationInfo);
co.icon = getPackageManager().getApplicationIcon(res.activityInfo.applicationInfo);
co.appIntent= new Intent(intent);
co.appIntent.setComponent( new ComponentName(res.activityInfo.packageName, res.activityInfo.name));
cropOptions.add(co);
}
CropingOptionAdapter adapter = new CropingOptionAdapter(getApplicationContext(), cropOptions);
AlertDialog.Builder builder = new AlertDialog.Builder(this);
builder.setTitle("Choose Croping App");
builder.setCancelable(false);
builder.setAdapter( adapter, new DialogInterface.OnClickListener() {
public void onClick( DialogInterface dialog, int item ) {
startActivityForResult( cropOptions.get(item).appIntent, CROPING_CODE);
}
});
builder.setOnCancelListener( new DialogInterface.OnCancelListener() {
@Override
public void onCancel( DialogInterface dialog ) {
if (mImageCaptureUri != null ) {
getContentResolver().delete(mImageCaptureUri, null, null );
mImageCaptureUri = null;
}
}
} );
AlertDialog alert = builder.create();
alert.show();
}
}
}
private Bitmap decodeFile(File f) {
try {
// decode image size
BitmapFactory.Options o = new BitmapFactory.Options();
o.inJustDecodeBounds = true;
BitmapFactory.decodeStream(new FileInputStream(f), null, o);
// Find the correct scale value. It should be the power of 2.
final int REQUIRED_SIZE = 512;
int width_tmp = o.outWidth, height_tmp = o.outHeight;
int scale = 1;
while (true) {
if (width_tmp / 2 < REQUIRED_SIZE || height_tmp / 2 < REQUIRED_SIZE)
break;
width_tmp /= 2;
height_tmp /= 2;
scale *= 2;
}
// decode with inSampleSize
BitmapFactory.Options o2 = new BitmapFactory.Options();
o2.inSampleSize = scale;
return BitmapFactory.decodeStream(new FileInputStream(f), null, o2);
} catch (FileNotFoundException e) {
}
return null;
}
}
4. Create Java file "CropingOption.java"
package com.limbani.imagecropping;
import android.content.Intent;
import android.graphics.drawable.Drawable;
public class CropingOption {
public CharSequence title;
public Drawable icon;
public Intent appIntent;
}
5. Create Java file "CropingOptionAdapter.java"
package com.limbani.imagecropping;
import java.util.ArrayList;
import android.content.Context;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ArrayAdapter;
import android.widget.ImageView;
import android.widget.TextView;
public class CropingOptionAdapter extends ArrayAdapter {
private ArrayList mOptions;
private LayoutInflater mInflater;
public CropingOptionAdapter(Context context, ArrayList options) {
super(context, R.layout.croping_selector, options);
mOptions = options;
mInflater = LayoutInflater.from(context);
}
@Override
public View getView(int position, View convertView, ViewGroup group) {
if (convertView == null)
convertView = mInflater.inflate(R.layout.croping_selector, null);
CropingOption item = (CropingOption) mOptions.get(position);
if (item != null) {
((ImageView) convertView.findViewById(R.id.img_icon)).setImageDrawable(item.icon);
((TextView) convertView.findViewById(R.id.txt_name)).setText(item.title);
return convertView;
}
return null;
}
}
6. Add your activity class and user permission in "AndroidManifest.xml".
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.limbani.imagecropping">
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
<application
android:allowBackup="true"
android:icon="@mipmap/ic_launcher"
android:label="@string/app_name"
android:supportsRtl="true"
android:theme="@style/AppTheme">
<activity android:name=".MainActivity">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>
</manifest>
7. ScreenShot".
Thanks :)
Download Code







