jykenan的专栏

1.添加surfaceview上点击事件，左右滚动等事件。 private SurfaceView mPreview; public SurfaceHolder holder; mPreview = (SurfaceView) findViewById(R.id.fullplayer); mPreview.setOnTouchListener(this); holder = m...

显示手机所有应用并具有左右拖动功能

1.在string->arrays中添加 16 18 20 22 24 2.代码中添加 final Spinner fontsizespinner = (Spinner) findViewById(R.id.fontsizespinner); ArrayAdapter fontsize = ArrayAdapter.createFro...

1.在manifest.xml中activity添加 android:theme="@android:style/Theme.Dialog" 2.WindowManager m = getWindowManager(); Display d = m.getDefaultDisplay(); //为获取屏幕宽、高 LayoutParams p = getWindow().getAttri...

TabHost的实现有两种方式，第一种继承TabActivity，从TabActivity中用getTabHost()方法获取TabHost。各个Tab中的内容在布局文件中定义就行了。 mainActivity.xml private TabHost myTabHost; @Override public void onCreate(Bundle sa...

1.gallery.xml 2.代码中添加 package com.example.imageswicher; import java.util.Timer; import java.util.TimerTask; import ...

static final String tag = "GameView"; //声明GameThread类实例 GameThread gameThread; public GameView(Context context) { super(context); // TODO Auto-generated constructor stub //获取SurfaceHolder Surfa...

public class Main extends TabActivity { private static final int SWIPE_MIN_DISTANCE = 120; private static final int SWIPE_MAX_OFF_PATH = 250; private static final int SWIPE_THRESHOLD_VELOCITY = ...

import android.app.Activity; import android.app.AlertDialog; import android.content.Context; import android.os.Bundle; import android.util.Log; import android.view.ContextMenu; import android.vi...

第1种. Animation ani = new TranslateAnimation(310f, -400f, 0.0f, 0.0f); ani.setDuration(10000); ani.setRepeatCount(500); ani.setRepeatMode(1); TextView textView =(Te...

public class Demo_ScrollableTabHost4 extends ScrollableTabActivity{ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); ...

在Android开发中经常会需要用的列表，你可以用ListActivity，或者ListView，甚至其他方法。 用ListView相对来说更灵活。下边是ListView简单实现代码： 显示java文件： import java.util.ArrayList; import java.util.HashMap; import android.app.Activity; impor...