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Ben, Adityo - thread-safe-app-lab #11

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Ben, Adityo - thread-safe-app-lab #11

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16 changes: 16 additions & 0 deletions starter-code/.idea/misc.xml
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131 changes: 74 additions & 57 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 @@ -15,70 +16,86 @@
import java.io.FileNotFoundException;
import java.io.IOException;

public class MainActivity extends AppCompatActivity{
private static final String TAG = "makeappthreadsafe";
private static final int PICK_IMAGE_REQUEST = 1;
private ImageView image;
private Button change;
public class MainActivity extends AppCompatActivity {
private static final String TAG = "makeappthreadsafe";
private static final int PICK_IMAGE_REQUEST = 1;
private ImageView image;
private Button change;
private Uri selectedImage;

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);

change = (Button) findViewById(R.id.choose_button);
image = (ImageView) findViewById(R.id.image);
setProfileImage();
change.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
changeProfileImage();
}
});
}
change = (Button) findViewById(R.id.choose_button);
image = (ImageView) findViewById(R.id.image);
setProfileImage();
change.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
changeProfileImage();
}
});
}

private class SleeperAsyncTask extends AsyncTask<Void, Void, Void> {

@Override
protected Void doInBackground(Void... params) {
//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();
}
return null;
}

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

//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();
}
// sets the chosen image as a profile picture
@Override
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) {
selectedImage = data.getData();
image.setImageURI(selectedImage);
SleeperAsyncTask task = new SleeperAsyncTask();
task.execute();
}
}

//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();
//sets the image view of the profile picture to the previously saved image or the placeholder if
// the image has never been modified
private void setProfileImage() {
Bitmap bm = PictureUtil.loadFromCacheFile();
if (bm != null) {
image.setImageBitmap(bm);
} else {
image.setImageResource(R.drawable.placeholder);
}
}
}

//sets the image view of the profile picture to the previously saved image or the placeholder if
// the image has never been modified
private void setProfileImage() {
Bitmap bm = PictureUtil.loadFromCacheFile();
if (bm != null) {
image.setImageBitmap(bm);
} else {
image.setImageResource(R.drawable.placeholder);
// brings up the photo gallery/other resources to choose a picture
private void changeProfileImage() {
Intent intent = new Intent();
intent.setType("image/*");
intent.setAction(Intent.ACTION_GET_CONTENT);
startActivityForResult(Intent.createChooser(intent, "Select Picture"), PICK_IMAGE_REQUEST);
}
}

// brings up the photo gallery/other resources to choose a picture
private void changeProfileImage() {
Intent intent = new Intent();
intent.setType("image/*");
intent.setAction(Intent.ACTION_GET_CONTENT);
startActivityForResult(Intent.createChooser(intent, "Select Picture"), PICK_IMAGE_REQUEST);
}

}