chinwag/chinwag-android
chinwag/chinwag-android
2
0
Fork 0
Code Issues Pull requests Releases Activity

Fixes the onBackPressed crash in the MainActivity. Closes #18

Browse source
This commit is contained in:
Vavassor 2017-03-13 23:08:28 -04:00
parent b937a7bc9e
commit 39431d96f1
1 changed files with 22 additions and 4 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

26
app/src/main/java/com/keylesspalace/tusky/MainActivity.java
View file

@ -22,6 +22,7 @@ import android.graphics.PorterDuff;
import android.graphics.Typeface;
import android.graphics.drawable.Drawable;
import android.net.Uri;
import android.os.PersistableBundle;
import android.support.design.widget.FloatingActionButton;
import android.support.design.widget.TabLayout;
import android.support.v4.content.ContextCompat;
@ -53,6 +54,7 @@ import com.mikepenz.materialdrawer.util.AbstractDrawerImageLoader;
import com.mikepenz.materialdrawer.util.DrawerImageLoader;
import com.squareup.picasso.Picasso;
import java.util.ArrayList;
import java.util.List;
import java.util.Stack;
@ -68,7 +70,7 @@ public class MainActivity extends BaseActivity {
private String loggedInAccountId;
private String loggedInAccountUsername;
Stack<Integer> pageHistory = new Stack<>();
private Stack<Integer> pageHistory;
private AccountHeader headerResult;
private Drawer drawer;
@ -82,6 +84,14 @@ public class MainActivity extends BaseActivity {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
pageHistory = new Stack<>();
if (savedInstanceState != null) {
List<Integer> restoredHistory = savedInstanceState.getIntegerArrayList("pageHistory");
if (restoredHistory != null) {
pageHistory.addAll(restoredHistory);
}
}
ButterKnife.bind(this);
// Fetch user info while we're doing other things.
@ -125,7 +135,7 @@ public class MainActivity extends BaseActivity {
public void onTabSelected(TabLayout.Tab tab) {
viewPager.setCurrentItem(tab.getPosition());
if (pageHistory.empty()) {
if (pageHistory.isEmpty()) {
pageHistory.push(0);
}
@ -177,6 +187,14 @@ public class MainActivity extends BaseActivity {
});
}
@Override
public void onSaveInstanceState(Bundle outState, PersistableBundle outPersistentState) {
ArrayList<Integer> pageHistoryList = new ArrayList<>();
pageHistoryList.addAll(pageHistory);
outState.putIntegerArrayList("pageHistory", pageHistoryList);
super.onSaveInstanceState(outState, outPersistentState);
}
private void tintTab(TabLayout.Tab tab, boolean tinted) {
tab.getIcon().setColorFilter(ContextCompat.getColor(this, tinted ? R.color.color_accent_dark : R.color.toolbar_icon_dark), PorterDuff.Mode.SRC_IN);
}
@ -407,11 +425,11 @@ public class MainActivity extends BaseActivity {
public void onBackPressed() {
if(drawer != null && drawer.isDrawerOpen()) {
drawer.closeDrawer();
} else if(pageHistory.empty()) {
} else if(pageHistory.size() < 2) {
super.onBackPressed();
} else {
pageHistory.pop();
viewPager.setCurrentItem(pageHistory.lastElement());
viewPager.setCurrentItem(pageHistory.peek());
}
}
}