session-android/src/org/thoughtcrime/securesms/ImportExportActivity.java

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package org.thoughtcrime.securesms;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentManager;
import android.support.v4.app.FragmentStatePagerAdapter;
import android.support.v4.app.FragmentTransaction;
import android.support.v4.view.ViewPager;
import com.actionbarsherlock.app.ActionBar;
import com.actionbarsherlock.view.MenuItem;
import org.whispersystems.textsecure.crypto.MasterSecret;
public class ImportExportActivity extends PassphraseRequiredSherlockFragmentActivity {
private TabPagerAdapter tabPagerAdapter;
private ViewPager viewPager;
private MasterSecret masterSecret;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.import_export_activity);
getSupportActionBar().setDisplayHomeAsUpEnabled(true);
initializeResources();
initializeViewPager();
initializeTabs();
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
super.onOptionsItemSelected(item);
switch (item.getItemId()) {
case android.R.id.home: finish(); return true;
}
return false;
}
private void initializeResources() {
this.masterSecret = getIntent().getParcelableExtra("master_secret");
this.viewPager = (ViewPager) findViewById(R.id.import_export_pager);
this.tabPagerAdapter = new TabPagerAdapter(getSupportFragmentManager());
viewPager.setAdapter(tabPagerAdapter);
}
private void initializeViewPager() {
viewPager.setAdapter(tabPagerAdapter);
viewPager.setOnPageChangeListener(new ViewPager.SimpleOnPageChangeListener() {
@Override
public void onPageSelected(int position) {
getSupportActionBar().setSelectedNavigationItem(position);
}
});
}
private void initializeTabs() {
final ActionBar actionBar = getSupportActionBar();
actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_TABS);
ActionBar.TabListener tabListener = new ActionBar.TabListener() {
public void onTabSelected(ActionBar.Tab tab, FragmentTransaction ft) {
viewPager.setCurrentItem(tab.getPosition());
}
public void onTabUnselected(ActionBar.Tab tab, FragmentTransaction ft) {}
public void onTabReselected(ActionBar.Tab tab, FragmentTransaction ft) {}
};
actionBar.addTab(actionBar.newTab().setText(R.string.ImportExportActivity_import).setTabListener(tabListener));
actionBar.addTab(actionBar.newTab().setText(R.string.ImportExportActivity_export).setTabListener(tabListener));
}
private class TabPagerAdapter extends FragmentStatePagerAdapter {
private final ImportFragment importFragment;
private final ExportFragment exportFragment;
public TabPagerAdapter(FragmentManager fragmentManager) {
super(fragmentManager);
this.importFragment = new ImportFragment();
this.exportFragment = new ExportFragment();
this.importFragment.setMasterSecret(masterSecret);
this.exportFragment.setMasterSecret(masterSecret);
}
@Override
public Fragment getItem(int i) {
if (i == 0) return importFragment;
else return exportFragment;
}
@Override
public int getCount() {
return 2;
}
@Override
public CharSequence getPageTitle(int i) {
if (i == 0) return getString(R.string.ImportExportActivity_import);
else return getString(R.string.ImportExportActivity_export);
}
}
}