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/*
* Copyright (C) 2010 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.example.android.supportv7.app;
import android.os.Bundle;
import android.support.v4.app.FragmentTransaction;
import android.support.v7.app.ActionBar;
import android.support.v7.app.ActionBar.Tab;
import android.support.v7.app.ActionBarActivity;
import android.view.Gravity;
import android.view.Menu;
import android.view.View;
import android.view.ViewGroup.LayoutParams;
import com.example.android.supportv7.R;
/**
* This demo shows how various action bar display option flags can be combined and their effects.
*/
public class ActionBarDisplayOptions extends ActionBarActivity
implements View.OnClickListener, ActionBar.TabListener {
private View mCustomView;
private ActionBar.LayoutParams mCustomViewLayoutParams;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.action_bar_display_options);
findViewById(R.id.toggle_home_as_up).setOnClickListener(this);
findViewById(R.id.toggle_show_home).setOnClickListener(this);
findViewById(R.id.toggle_use_logo).setOnClickListener(this);
findViewById(R.id.toggle_show_title).setOnClickListener(this);
findViewById(R.id.toggle_show_custom).setOnClickListener(this);
findViewById(R.id.toggle_navigation).setOnClickListener(this);
findViewById(R.id.cycle_custom_gravity).setOnClickListener(this);
findViewById(R.id.toggle_visibility).setOnClickListener(this);
// Configure several action bar elements that will be toggled by display options.
mCustomView = getLayoutInflater().inflate(R.layout.action_bar_display_options_custom, null);
mCustomViewLayoutParams = new ActionBar.LayoutParams(
LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT);
final ActionBar bar = getSupportActionBar();
bar.setCustomView(mCustomView, mCustomViewLayoutParams);
bar.addTab(bar.newTab().setText("Tab 1").setTabListener(this));
bar.addTab(bar.newTab().setText("Tab 2").setTabListener(this));
bar.addTab(bar.newTab().setText("Tab 3").setTabListener(this));
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
getMenuInflater().inflate(R.menu.display_options_actions, menu);
return true;
}
@Override
public boolean onSupportNavigateUp() {
finish();
return true;
}
@Override
public void onClick(View v) {
final ActionBar bar = getSupportActionBar();
int flags = 0;
switch (v.getId()) {
case R.id.toggle_home_as_up:
flags = ActionBar.DISPLAY_HOME_AS_UP;
break;
case R.id.toggle_show_home:
flags = ActionBar.DISPLAY_SHOW_HOME;
break;
case R.id.toggle_use_logo:
flags = ActionBar.DISPLAY_USE_LOGO;
break;
case R.id.toggle_show_title:
flags = ActionBar.DISPLAY_SHOW_TITLE;
break;
case R.id.toggle_show_custom:
flags = ActionBar.DISPLAY_SHOW_CUSTOM;
break;
case R.id.toggle_navigation:
bar.setNavigationMode(
bar.getNavigationMode() == ActionBar.NAVIGATION_MODE_STANDARD
? ActionBar.NAVIGATION_MODE_TABS
: ActionBar.NAVIGATION_MODE_STANDARD);
return;
case R.id.cycle_custom_gravity: {
ActionBar.LayoutParams lp = mCustomViewLayoutParams;
int newGravity = 0;
switch (lp.gravity & Gravity.HORIZONTAL_GRAVITY_MASK) {
case Gravity.LEFT:
newGravity = Gravity.CENTER_HORIZONTAL;
break;
case Gravity.CENTER_HORIZONTAL:
newGravity = Gravity.RIGHT;
break;
case Gravity.RIGHT:
newGravity = Gravity.LEFT;
break;
}
lp.gravity = lp.gravity & ~Gravity.HORIZONTAL_GRAVITY_MASK | newGravity;
bar.setCustomView(mCustomView, lp);
return;
}
case R.id.toggle_visibility:
if (bar.isShowing()) {
bar.hide();
} else {
bar.show();
}
return;
}
int change = bar.getDisplayOptions() ^ flags;
bar.setDisplayOptions(change, flags);
}
@Override
public void onTabSelected(Tab tab, FragmentTransaction ft) {
}
@Override
public void onTabUnselected(Tab tab, FragmentTransaction ft) {
}
@Override
public void onTabReselected(Tab tab, FragmentTransaction ft) {
}
}
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