BaseActionBarActivity.java

package net.oschina.gitapp.ui.baseactivity;

import java.lang.reflect.Field;
import com.umeng.analytics.MobclickAgent;
import net.oschina.gitapp.AppContext;
import net.oschina.gitapp.AppManager;
import net.oschina.gitapp.R;
import net.oschina.gitapp.common.StringUtils;
import net.oschina.gitapp.interfaces.ActivityHelperInterface;
import net.oschina.gitapp.ui.ActivityHelper;
import android.app.Activity;
import android.os.Bundle;
import android.support.v7.app.ActionBar;
import android.support.v7.app.ActionBarActivity;
import android.view.ViewConfiguration;

public class BaseActionBarActivity extends ActionBarActivity 
	implements ActivityHelperInterface{

	ActivityHelper mHelper = new ActivityHelper(this);
	// 是否可以返回
	protected static boolean isCanBack;
	
	protected ActionBar mActionBar;
	
	protected String mTitle;
	
	protected String mSubTitle;
	
	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		mHelper.onCreate(savedInstanceState);
		initActionBar();
		//将activity加入到AppManager堆栈中
		AppManager.getAppManager().addActivity(this);
	}
	
	// 关闭该Activity
	@Override
	public boolean onSupportNavigateUp() {
		AppManager.getAppManager().finishActivity(getActivity());
		return super.onSupportNavigateUp();
	}
	
	@Override
	public void onResume() {
		super.onResume();
		setActionBarTitle();
	}
	
	protected void setActionBarTitle() {
		if (mTitle != null && !StringUtils.isEmpty(mTitle)) {
			mActionBar.setTitle(mTitle);
		}
		if (mSubTitle != null && !StringUtils.isEmpty(mSubTitle)) {
			mActionBar.setSubtitle(mSubTitle);
		}
	}
	
	@Override
	public void onPause() {
		super.onPause();
	}
	
	@Override
	public void onAttachedToWindow() {
		super.onAttachedToWindow();
		mHelper.onAttachedToWindow();
	}
	
	@Override
	public void onDetachedFromWindow() {
		super.onDetachedFromWindow();
	}
	
	// 初始化ActionBar
	private void initActionBar() {
		mActionBar = getSupportActionBar();
		int flags = ActionBar.DISPLAY_HOME_AS_UP;
		int change = mActionBar.getDisplayOptions() ^ flags;
		// 设置返回的图标
		mActionBar.setHomeAsUpIndicator(R.drawable.ic_navigation_back);
		mActionBar.setDisplayOptions(change, flags);
	}

	@Override
	public Activity getActivity() {
		return mHelper.getActivity();
	}
	
	/** 将菜单显示在actionbar上，而不是在底部*/
	protected void requestActionBarMenu() {
		try {
			ViewConfiguration config = ViewConfiguration.get(this);
			Field menuKeyField = ViewConfiguration.class
					.getDeclaredField("sHasPermanentMenuKey");

			if (menuKeyField != null) {
				menuKeyField.setAccessible(true);
				menuKeyField.setBoolean(config, false);
			}
		} catch (Exception e) {
			// presumably, not relevant
		}
	}

	@Override
	public AppContext getGitApplication() {
		return mHelper.getGitApplication();
	}
}