android 读取通讯录/短信，短信删除 例子源码下载( 智能短信)

【实例截图】

【核心代码】

public class MainActivity extends TabActivity implements OnClickListener {

	private TabHost mTabHost;
	private View mSlideView;	// 滑动背景
	private int basicWidth;		// 第一等份的宽度
	private int startX = 0;

	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		// 消除标题
		requestWindowFeature(Window.FEATURE_NO_TITLE);
		setContentView(R.layout.activity_main);
		
		initView();
	}

	private void initView() {
		mTabHost = (TabHost) findViewById(android.R.id.tabhost);
		
		mSlideView = findViewById(R.id.slide_view);
		findViewById(R.id.rl_conversation).setOnClickListener(this);
		findViewById(R.id.rl_fodler).setOnClickListener(this);
		findViewById(R.id.rl_group).setOnClickListener(this);
		
		// 获得视图树的观察者
//		final ViewTreeObserver viewTreeObserver = mSlideView.getViewTreeObserver();
		// 监听全局布局
		mSlideView.getViewTreeObserver().addOnGlobalLayoutListener(new OnGlobalLayoutListener() {

			@Override
			public void onGlobalLayout() {
				// 只用一次, 移除掉监听事件
				mSlideView.getViewTreeObserver().removeGlobalOnLayoutListener(this);
				// 初始化滑动view的宽高
				
				LayoutParams lp = (LayoutParams) mSlideView.getLayoutParams();
				View llConversation = findViewById(R.id.ll_conversation);
				lp.width = llConversation.getWidth();
				lp.height = llConversation.getHeight();
				lp.leftMargin = llConversation.getLeft();
				mSlideView.setLayoutParams(lp);
				// 得到第一等分的宽度
				basicWidth = findViewById(R.id.rl_conversation).getWidth();
			}
		});
		
		
		// 添加会话页签
		addTabSpec("conversation", "会话", 
				R.drawable.tab_conversation, new Intent(this, ConversationUI.class));
		// 添加文件夹页签
		addTabSpec("folder", "文件夹", 
				R.drawable.tab_folder, new Intent(this, FolderUI.class));
		// 添加群组页签
		addTabSpec("group", "群组", 
				R.drawable.tab_group, new Intent(this, GroupUI.class));
	}
	
	/**
	 * 添加一个页签
	 * @param tag 页签的标识(唯一的id)
	 * @param label 标题
	 * @param iconID 图片
	 * @param intent 内容(指向activity)
	 */
	private void addTabSpec(String tag, String label, int iconID, Intent intent) {
		// 根据tag创建一个页签
		TabSpec tabSpec = mTabHost.newTabSpec(tag);
		// 设置页签的标题和图片
		tabSpec.setIndicator(label, getResources().getDrawable(iconID));
		// 设置页签对应的内容(指向的是activity)
		tabSpec.setContent(intent);
		mTabHost.addTab(tabSpec);
	}

	@Override
	public void onClick(View v) {
		switch (v.getId()) {
		case R.id.rl_conversation:	// 会话
			if(!"conversation".equals(mTabHost.getCurrentTabTag())) {
				mTabHost.setCurrentTabByTag("conversation");
				
				startTranslateAnimation(startX, 0);
				startX = 0;
			}
			break;
		case R.id.rl_fodler:	// 文件夹
			if(!"folder".equals(mTabHost.getCurrentTabTag())) {
				mTabHost.setCurrentTabByTag("folder");
				
				startTranslateAnimation(startX, basicWidth);
				startX = basicWidth;
			}
			break;
		case R.id.rl_group:	// 群组
			if(!"group".equals(mTabHost.getCurrentTabTag())) {
				mTabHost.setCurrentTabByTag("group");
				
				startTranslateAnimation(startX, basicWidth * 2);
				startX = basicWidth * 2;
			}
			break;
		default:
			break;
		}
	}
	
	/**
	 * 执行位移动画
	 * @param fromXDelta x轴开始的偏移量
	 * @param toXDelta x轴结束的偏移量
	 */
	private void startTranslateAnimation(float fromXDelta, float toXDelta) {
		TranslateAnimation anim = new TranslateAnimation(
				fromXDelta, toXDelta, 
				0, 0);
		anim.setDuration(500);
		anim.setFillAfter(true);
		mSlideView.startAnimation(anim);
	}
}