hollorol/Clockplus
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CP-Remember the last tab

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This should reember the last tab
This commit is contained in:
Kuzniarski Jacek 2016-09-25 17:36:29 +02:00
parent 9de67b59a4
commit 305f761705
2 changed files with 58 additions and 18 deletions
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38
app/src/main/java/com/philliphsu/clock2/MainActivity.java
View File

@ -1,9 +1,12 @@
package com.philliphsu.clock2;
import android.annotation.SuppressLint;
import android.content.Intent;
import android.graphics.drawable.Drawable;
import android.os.Build;
import android.os.Bundle;
import android.os.PersistableBundle;
import android.preference.PreferenceManager;
import android.support.design.widget.FloatingActionButton;
import android.support.design.widget.TabLayout;
import android.support.v4.app.Fragment;
@ -34,6 +37,8 @@ public class MainActivity extends BaseActivity {
public static final String EXTRA_SHOW_PAGE = "com.philliphsu.clock2.extra.SHOW_PAGE";
public static final int REQUEST_THEME_CHANGE = 5;
private static final String LAST_TAB = "last_tab";
private static final int DEFAULT_TAB = 0;
/**
* The {@link android.support.v4.view.PagerAdapter} that will provide
@ -244,6 +249,15 @@ public class MainActivity extends BaseActivity {
}
});
}
final String key = getString(R.string.key_last_tab);
final int fromPrefsLastTab = PreferenceManager.getDefaultSharedPreferences(this).getInt(key, DEFAULT_TAB);
restoreTab(savedInstanceState, fromPrefsLastTab);
}
private void restoreTab(final Bundle savedInstanceState, int def) {
final int tabToSwitchTo = savedInstanceState == null ?
def : savedInstanceState.getInt(LAST_TAB, def);
mViewPager.setCurrentItem(tabToSwitchTo);
}
@Override
@ -293,6 +307,30 @@ public class MainActivity extends BaseActivity {
}
}
@Override
public void onSaveInstanceState(final Bundle outState, final PersistableBundle outPersistentState) {
super.onSaveInstanceState(outState, outPersistentState);
outState.putInt(LAST_TAB, mViewPager.getCurrentItem());
}
@Override
protected void onRestoreInstanceState(final Bundle savedInstanceState) {
super.onRestoreInstanceState(savedInstanceState);
restoreTab(savedInstanceState, DEFAULT_TAB);
}
@SuppressLint("CommitPrefEdits")
@Override
protected void onDestroy() {
final int currentTab = mViewPager.getCurrentItem();
PreferenceManager.getDefaultSharedPreferences(this)
.edit()
.putInt(getString(R.string.key_last_tab), currentTab)
.commit();
super.onDestroy();
}
@Override
protected int layoutResId() {
return R.layout.activity_main;

2
app/src/main/res/values/prefs_general.xml
View File

@ -12,4 +12,6 @@
<item>@string/theme_light</item>
<item>@string/theme_dark</item>
</string-array>
<string name="key_last_tab">last_tab</string>
</resources>