r17171709

//定义泛型接口
public interface HttpCallBack<T> {
    public void onSuccess(T result);
    public void onFail(Throwable throwable);
}

//定义父类子类model
public class ChildModel extends ParentModel {

    String result;

r17171709

//滑动视图
public class MyScrollView extends ViewGroup {

    Context context;

    Scroller scroller=null;
    VelocityTracker tracker=null;
    //判断点击还是滑动
    int touchSlop=0;
    //滑动速度临界值

r17171709

//fragment页签使用方法

//初始化时候将缓存的所有fragment全部隐藏
List<Fragment> fragments=getSupportFragmentManager().getFragments();
if(fragments!=null) {
	for(int i=0;i<fragments.size();i++) {
		getSupportFragmentManager().beginTransaction().hide(fragments.get(i)).commit();
	}
}

r17171709

//viewPager中加载frament方法

//查找是不是已经保存过fragment，优先使用保存过的fragment
if(savedInstanceState!=null) {
	fragment1=(MyGridViewFragment) getChildFragmentManager().getFragment(savedInstanceState, "first");
	if((MyGridViewFragment) getChildFragmentManager().getFragment(savedInstanceState, "first")==null) {
		fragment1=MyGridViewFragment.getInstance(1);
	}
	else {
		fragment1=(MyGridViewFragment) getChildFragmentManager().getFragment(savedInstanceState, "first");

r17171709

//viewpager中同时包含image跟surfaceview的情况处理

//给viewPager中的View添加id，便于后续查找
for(int i=0;i<multi_media.size();i++) {
	if (multi_media.get(i).gettype().endsWith("0")) {
		ImageView imageView=new ImageView(this);
		imageView.setImageResource(R.drawable.ic_launcher);
		bitmapUtils.display(imageView, multi_media.get(i).getDescription_url(), config);
		views.add(imageView);
	} else {

r17171709

//动态刷新fragment的方法

//将FragmentTransaction中的fragment全部清除
public void addFragment() {
	if(fragment_list != null){
		FragmentTransaction ft = getSupportFragmentManager().beginTransaction();
		for(Fragment f: fragment_list){
			ft.remove(f);
		}
		ft.commitAllowingStateLoss();

r17171709

// 循环检测activity是否初始化完毕
starnum_seekbar.postDelayed(new Runnable() {

	@Override
	public void run() {
		// TODO Auto-generated method stub
		if (null != getWindow().getDecorView().getWindowToken()) {
			LayoutInflater inflater = (LayoutInflater) getSystemService(Context.LAYOUT_INFLATER_SERVICE);
			View undoView = inflater.inflate(
					R.layout.view_seekbarhint2, null);

r17171709

try {  
	db.beginTransaction();  
	String[][] lifes = {{"potato", "tomato", "apple"}, {"rat", "cat", "dog"}};  
	SQLiteStatement stmt = db.compileStatement("insert into life values(?,?)");  
	for(int i=0;i<lifes[0].length;i++){  
	    stmt.clearBindings();  
	    stmt.bindString(1, lifes[0][i]);  
	    stmt.bindString(1, lifes[1][i]);  
	    stmt.executeInsert();  
	}  

r17171709

// 切换为全屏
private void setFullScreen() {
	if (Build.VERSION.SDK_INT >= 9) {
		setRequestedOrientation(6);
	} else {
		setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE);
	}
	getWindow().addFlags(1024);
	mActionBar.hide();
	RelativeLayout.LayoutParams layoutParams = new RelativeLayout.LayoutParams(

r17171709

//类似数组[行, 列]
//表示起始位置为0，占据2行
GridLayout.Spec rowSpec=GridLayout.spec(0, 2, GridLayout.UNDEFINED);
//表示起始位置为1，占据1列
GridLayout.Spec columnSpec=GridLayout.spec(i, 1, GridLayout.UNDEFINED);
GridLayout.LayoutParams params=new GridLayout.LayoutParams(rowSpec, columnSpec);
gridlayout.addView(view, params);


此外xml中也要预先定好多少行多少列