import java.io.File;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Locale;
import android.app.ActionBar;
import android.app.AlertDialog;
import android.app.FragmentTransaction;
import android.content.DialogInterface;
import android.content.Intent;
import android.net.Uri;
import android.os.Bundle;
import android.os.Environment;
import android.provider.MediaStore;
import android.support.v4.app.FragmentActivity;
import android.support.v4.view.ViewPager;
import android.util.Log;
import android.view.Menu;
import android.view.MenuItem;
import android.view.Window;
import android.widget.Toast;
import com.parse.ParseAnalytics;
import com.parse.ParseUser;
public class MainActivity extends FragmentActivity implements
ActionBar.TabListener {
public static final String TAG = MainActivity.class.getSimpleName();
public static final int TAKE_PHOTO_REQUEST = 0;
public static final int TAKE_VIDEO_REQUEST = 1;
public static final int PICK_PHOTO_REQUEST = 2;
public static final int PICK_VIDEO_REQUEST = 3;
public static final int MEDIA_TYPE_IMAGE = 4;
public static final int MEDIA_TYPE_VIDEO = 5;
public static final int FILE_SIZE_LIMIT = 1024*1024*10; // 10 MB
protected Uri mMediaUri;
protected DialogInterface.OnClickListener mDialogListener =
new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
switch(which) {
case 0: // Take picture
Intent takePhotoIntent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
mMediaUri = getOutputMediaFileUri(MEDIA_TYPE_IMAGE);
if (mMediaUri == null) {
// display an error
Toast.makeText(MainActivity.this, R.string.error_external_storage,
Toast.LENGTH_LONG).show();
}
else {
takePhotoIntent.putExtra(MediaStore.EXTRA_OUTPUT, mMediaUri);
startActivityForResult(takePhotoIntent, TAKE_PHOTO_REQUEST);
}
break;
case 1: // Take video
Intent videoIntent = new Intent(MediaStore.ACTION_VIDEO_CAPTURE);
mMediaUri = getOutputMediaFileUri(MEDIA_TYPE_VIDEO);
if (mMediaUri == null) {
// display an error
Toast.makeText(MainActivity.this, R.string.error_external_storage,
Toast.LENGTH_LONG).show();
}
else {
videoIntent.putExtra(MediaStore.EXTRA_OUTPUT, mMediaUri);
videoIntent.putExtra(MediaStore.EXTRA_DURATION_LIMIT, 10);
videoIntent.putExtra(MediaStore.EXTRA_VIDEO_QUALITY, 0); // 0 = lowest res
startActivityForResult(videoIntent, TAKE_VIDEO_REQUEST);
}
break;
case 2: // Choose picture
Intent choosePhotoIntent = new Intent(Intent.ACTION_GET_CONTENT);
choosePhotoIntent.setType("image/*");
startActivityForResult(choosePhotoIntent, PICK_PHOTO_REQUEST);
break;
case 3: // Choose video
Intent chooseVideoIntent = new Intent(Intent.ACTION_GET_CONTENT);
chooseVideoIntent.setType("video/*");
Toast.makeText(MainActivity.this, R.string.video_file_size_warning, Toast.LENGTH_LONG).show();
startActivityForResult(chooseVideoIntent, PICK_VIDEO_REQUEST);
break;
}
}
private Uri getOutputMediaFileUri(int mediaType) {
// To be safe, you should check that the SDCard is mounted
// using Environment.getExternalStorageState() before doing this.
if (isExternalStorageAvailable()) {
// get the URI
// 1. Get the external storage directory
String appName = MainActivity.this.getString(R.string.app_name);
File mediaStorageDir = new File(
Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_PICTURES),
appName);
// 2. Create our subdirectory
if (! mediaStorageDir.exists()) {
if (! mediaStorageDir.mkdirs()) {
Log.e(TAG, "Failed to create directory.");
return null;
}
}
// 3. Create a file name
// 4. Create the file
File mediaFile;
Date now = new Date();
String timestamp = new SimpleDateFormat("yyyyMMdd_HHmmss", Locale.US).format(now);
String path = mediaStorageDir.getPath() + File.separator;
if (mediaType == MEDIA_TYPE_IMAGE) {
mediaFile = new File(path + "IMG_" + timestamp + ".jpg");
}
else if (mediaType == MEDIA_TYPE_VIDEO) {
mediaFile = new File(path + "VID_" + timestamp + ".mp4");
}
else {
return null;
}
Log.d(TAG, "File: " + Uri.fromFile(mediaFile));
// 5. Return the file's URI
return Uri.fromFile(mediaFile);
}
else {
return null;
}
}
private boolean isExternalStorageAvailable() {
String state = Environment.getExternalStorageState();
if (state.equals(Environment.MEDIA_MOUNTED)) {
return true;
}
else {
return false;
}
}
};
/**
* The {@link android.support.v4.view.PagerAdapter} that will provide
* fragments for each of the sections. We use a
* {@link android.support.v4.app.FragmentPagerAdapter} derivative, which
* will keep every loaded fragment in memory. If this becomes too memory
* intensive, it may be best to switch to a
* {@link android.support.v4.app.FragmentStatePagerAdapter}.
*/
SectionsPagerAdapter mSectionsPagerAdapter;
/**
* The {@link ViewPager} that will host the section contents.
*/
ViewPager mViewPager;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
requestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS);
setContentView(R.layout.activity_main);
ParseAnalytics.trackAppOpened(getIntent());
ParseUser currentUser = ParseUser.getCurrentUser();
if (currentUser == null) {
navigateToLogin();
}
else {
Log.i(TAG, currentUser.getUsername());
}
// Set up the action bar.
final ActionBar actionBar = getActionBar();
actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_TABS);
// Create the adapter that will return a fragment for each of the three
// primary sections of the app.
mSectionsPagerAdapter = new SectionsPagerAdapter(this,
getSupportFragmentManager());
// Set up the ViewPager with the sections adapter.
mViewPager = (ViewPager) findViewById(R.id.pager);
mViewPager.setAdapter(mSectionsPagerAdapter);
// When swiping between different sections, select the corresponding
// tab. We can also use ActionBar.Tab#select() to do this if we have
// a reference to the Tab.
mViewPager
.setOnPageChangeListener(new ViewPager.SimpleOnPageChangeListener() {
@Override
public void onPageSelected(int position) {
actionBar.setSelectedNavigationItem(position);
}
});
// For each of the sections in the app, add a tab to the action bar.
for (int i = 0; i < mSectionsPagerAdapter.getCount(); i++) {
// Create a tab with text corresponding to the page title defined by
// the adapter. Also specify this Activity object, which implements
// the TabListener interface, as the callback (listener) for when
// this tab is selected.
actionBar.addTab(actionBar.newTab()
.setText(mSectionsPagerAdapter.getPageTitle(i))
.setTabListener(this));
}
}
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
if (resultCode == RESULT_OK) {
if (requestCode == PICK_PHOTO_REQUEST || requestCode == PICK_VIDEO_REQUEST) {
if (data == null) {
Toast.makeText(this, getString(R.string.general_error), Toast.LENGTH_LONG).show();
}
else {
mMediaUri = data.getData();
}
Log.i(TAG, "Media URI: " + mMediaUri);
if (requestCode == PICK_VIDEO_REQUEST) {
// make sure the file is less than 10 MB
int fileSize = 0;
InputStream inputStream = null;
try {
inputStream = getContentResolver().openInputStream(mMediaUri);
fileSize = inputStream.available();
}
catch (FileNotFoundException e) {
Toast.makeText(this, R.string.error_opening_file, Toast.LENGTH_LONG).show();
return;
}
catch (IOException e) {
Toast.makeText(this, R.string.error_opening_file, Toast.LENGTH_LONG).show();
return;
}
finally {
try {
inputStream.close();
} catch (IOException e) { /* Intentionally blank */ }
}
if (fileSize >= FILE_SIZE_LIMIT) {
Toast.makeText(this, R.string.error_file_size_too_large, Toast.LENGTH_LONG).show();
return;
}
}
}
else {
Intent mediaScanIntent = new Intent(Intent.ACTION_MEDIA_SCANNER_SCAN_FILE);
mediaScanIntent.setData(mMediaUri);
sendBroadcast(mediaScanIntent);
}
Intent recipientsIntent = new Intent(this, RecipientsActivity.class);
recipientsIntent.setData(mMediaUri);
String fileType;
if (requestCode == PICK_PHOTO_REQUEST || requestCode == TAKE_PHOTO_REQUEST) {
fileType = ParseConstants.TYPE_IMAGE;
}
else {
fileType = ParseConstants.TYPE_VIDEO;
}
recipientsIntent.putExtra(ParseConstants.KEY_FILE_TYPE, fileType);
startActivity(recipientsIntent);
}
else if (resultCode != RESULT_CANCELED) {
Toast.makeText(this, R.string.general_error, Toast.LENGTH_LONG).show();
}
}
private void navigateToLogin() {
Intent intent = new Intent(this, Login.class);
intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TASK);
startActivity(intent);
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.main, menu);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
int itemId = item.getItemId();
switch(itemId) {
case R.id.action_logout:
ParseUser.logOut();
navigateToLogin();
break;
case R.id.action_edit_friends:
Intent intent = new Intent(this, Georgians.class);
startActivity(intent);
break;
case R.id.action_camera:
AlertDialog.Builder builder = new AlertDialog.Builder(this);
builder.setItems(R.array.camera_choices, mDialogListener);
AlertDialog dialog = builder.create();
dialog.show();
break;
}
return super.onOptionsItemSelected(item);
}
@Override
public void onTabSelected(ActionBar.Tab tab,
FragmentTransaction fragmentTransaction) {
// When the given tab is selected, switch to the corresponding page in
// the ViewPager.
mViewPager.setCurrentItem(tab.getPosition());
}
@Override
public void onTabUnselected(ActionBar.Tab tab,
FragmentTransaction fragmentTransaction) {
}
@Override
public void onTabReselected(ActionBar.Tab tab,
FragmentTransaction fragmentTransaction) {
}
}
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