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Removes the callback from the handler when the activity is destroyed #361

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Removes the callback from the handler when the activity is destroyed #361

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f379a07
Removes the callback from the handler when the activity is destroyed
saketkumar Jan 2, 2017
4470b12
Reformated the code
saketkumar Jan 19, 2017
a8dfcb4
Merge branch 'bug-fixes' into leak
saketkumar95 Jan 19, 2017
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22 changes: 18 additions & 4 deletions source-code/app/src/main/java/org/buildmlearn/toolkit/activity/HomeActivity.java
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Original file line number Diff line number Diff line change
Expand Up @@ -38,6 +38,9 @@ public class HomeActivity extends AppCompatActivity
private final String FRAGMENT_TAG_PROJECT = "Project";
private final String FRAGMENT_TAG_APK = "Apk";
private boolean backPressedOnce = false;
private Runnable runnable;
private Handler handler = new Handler();
private long timer = 2000;

private SmoothNavigationToggle smoothNavigationToggle;

Expand Down Expand Up @@ -211,16 +214,17 @@ public void onBackPressed() {
finish();
}
if(!backPressedOnce)
Toast.makeText(this, "Tap back once more to exit.", Toast.LENGTH_SHORT).show();
Toast.makeText(this, R.string.tap_to_exit, Toast.LENGTH_SHORT).show();
backPressedOnce=true;
new Handler().postDelayed(new Runnable()
runnable = new Runnable()
{
@Override
public void run()
{
backPressedOnce= false;
backPressedOnce = false;
}
}, 2000);
};
handler.postDelayed(runnable , timer);
} else {
fragmentManager.beginTransaction().setTransition(FragmentTransaction.TRANSIT_FRAGMENT_FADE)
.replace(R.id.container, new HomeFragment(), FRAGMENT_TAG_HOME).commit();
Expand All @@ -230,6 +234,16 @@ public void run()
navigationView.setCheckedItem(R.id.nav_home);
}
}

@Override
protected void onDestroy() {
super.onDestroy();
if (handler != null)
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Also reformat your new changes.

{
handler.removeCallbacks(runnable);
}
}

}


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1 change: 1 addition & 0 deletions source-code/app/src/main/res/values/strings.xml
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Original file line number Diff line number Diff line change
Expand Up @@ -10,6 +10,7 @@
<string name="menu_home">Home</string>
<string name="buildmlearn_welcome_title">Welcome to BuildmLearn Toolkit</string>
<string name="welcome">Welcome</string>
<string name="tap_to_exit">Tap back once more to exit.</string>

<!--Snackbar-->
<string name="snackbar_deleted_message">Item deleted</string>
Expand Down