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Allowed the application to save picture in background. #4

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Allowed the application to save picture in background. #4

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3 changes: 2 additions & 1 deletion starter-code/.idea/gradle.xml
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16 changes: 16 additions & 0 deletions starter-code/.idea/misc.xml
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58 changes: 40 additions & 18 deletions ...r-code/app/src/main/java/generalassembly/yuliyakaleda/makeappthreadsafe/MainActivity.java
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Original file line number Diff line number Diff line change
Expand Up @@ -4,6 +4,7 @@
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.net.Uri;
import android.os.AsyncTask;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.util.Log;
Expand All @@ -20,6 +21,7 @@ public class MainActivity extends AppCompatActivity{
private static final int PICK_IMAGE_REQUEST = 1;
private ImageView image;
private Button change;
private Uri mSelectedImage;

@Override
protected void onCreate(Bundle savedInstanceState) {
Expand All @@ -42,24 +44,10 @@ public void onClick(View v) {
public void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
if (requestCode == PICK_IMAGE_REQUEST && resultCode == MainActivity.RESULT_OK && null != data) {
Uri selectedImage = data.getData();
image.setImageURI(selectedImage);

//saves a new picture to a file
Bitmap bitmap = null;
try {
bitmap = BitmapFactory.decodeStream(getContentResolver().openInputStream(selectedImage));
} catch (FileNotFoundException e) {
Log.d(TAG, "Image uri is not received or recognized");
}
try {
PictureUtil.saveToCacheFile(bitmap);
} catch (IOException e) {
e.printStackTrace();
}

//provides a feedback that the image is set as a profile picture
Toast.makeText(this, "The image is set as a profile picture", Toast.LENGTH_LONG).show();
mSelectedImage = data.getData();
image.setImageURI(mSelectedImage);
android.os.AsyncTask AsyncTask = new AsyncTask();
AsyncTask.execute();
}
}

Expand All @@ -81,4 +69,38 @@ private void changeProfileImage() {
intent.setAction(Intent.ACTION_GET_CONTENT);
startActivityForResult(Intent.createChooser(intent, "Select Picture"), PICK_IMAGE_REQUEST);
}
private class AsyncTask extends android.os.AsyncTask<Object,Void,Void>{
@Override
protected void onPreExecute() {
super.onPreExecute();
}

@Override
protected Void doInBackground(Object... params) {
Bitmap bitmap = null;
try {
bitmap = BitmapFactory.decodeStream(getContentResolver().openInputStream(mSelectedImage));
} catch (FileNotFoundException e) {
Log.d(TAG, "Image uri is not received or recognized");
}
try {
PictureUtil.saveToCacheFile(bitmap);
} catch (IOException e) {
e.printStackTrace();
}
return null;
}

@Override
protected void onPostExecute(Void aVoid) {
super.onPostExecute(aVoid);
Toast.makeText(MainActivity.this,"The image is set as a profile picture", Toast.LENGTH_LONG).show();
}

@Override
protected void onProgressUpdate(Void... values) {
super.onProgressUpdate(values);
}
}
}