这是实现了在android实现左右滑动切换界面的效果,该效果的源码下载,请到源码天堂下载吧,喜欢的朋友可以研究一下。
布局文件
<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:id="@+id/layContain" android:layout_width="fill_parent" android:layout_height="fill_parent" android:orientation="horizontal" android:background="@drawable/bg" > <!-- android:background="#FFC0CB"--> <FrameLayout android:layout_width="fill_parent" android:layout_height="fill_parent" > <LinearLayout android:layout_width="fill_parent" android:layout_height="fill_parent" android:orientation="horizontal" > <LinearLayout android:id="@+id/layFirst" android:layout_width="400px" android:layout_height="fill_parent" android:orientation="vertical" android:layout_marginBottom="50dp" > </LinearLayout> <LinearLayout android:id="@+id/laySec" android:layout_width="400px" android:layout_height="fill_parent" android:orientation="vertical" > </LinearLayout> <LinearLayout android:id="@+id/layThird" android:layout_width="400px" android:layout_height="fill_parent" android:orientation="vertical" > </LinearLayout> <LinearLayout android:id="@+id/layFourth" android:layout_width="400px" android:layout_height="fill_parent" android:orientation="vertical" > </LinearLayout> </LinearLayout> <LinearLayout android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_gravity="center_horizontal|bottom" android:layout_marginBottom="40dp" > <TextView android:id="@+id/roll_dot1" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="." android:textSize="50dp" android:textColor="#ffffff" /> <TextView android:id="@+id/roll_dot2" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="." android:textSize="50dp" android:textColor="#000000" /> <TextView android:id="@+id/roll_dot3" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="." android:textSize="50dp" android:textColor="#000000" /> <TextView android:id="@+id/roll_dot4" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="." android:textSize="50dp" android:textColor="#000000" /> </LinearLayout> </FrameLayout></LinearLayout>代码
package com.marsor.desk;import java.io.File;import java.io.FileOutputStream;import java.io.IOException;import java.io.InputStream;import java.util.ArrayList;import java.util.List;import android.app.Activity;import android.app.AlertDialog;import android.app.AlertDialog.Builder;import android.content.BroadcastReceiver;import android.content.ComponentName;import android.content.Context;import android.content.DialogInterface;import android.content.Intent;import android.content.IntentFilter;import android.content.pm.PackageInfo;import android.content.pm.PackageManager;import android.content.res.AssetManager;import android.content.res.Configuration;import android.graphics.Color;import android.net.Uri;import android.os.Bundle;import android.util.Log;import android.view.GestureDetector;import android.view.GestureDetector.OnGestureListener;import android.view.KeyEvent;import android.view.Menu;import android.view.MenuItem;import android.view.MotionEvent;import android.view.View;import android.view.View.OnClickListener;import android.view.View.OnTouchListener;import android.view.animation.TranslateAnimation;import android.widget.ImageView;import android.widget.LinearLayout;import android.widget.LinearLayout.LayoutParams;import android.widget.TextView;import android.widget.Toast;public class MarsorDeskActivity extends Activity { GestureDetector mGestureDetector; LinearLayout layFirst; LinearLayout laySec; LinearLayout layThird; LinearLayout layFourth; LinearLayout layContain; //当前显示的layout LinearLayout layCur; //左边的layout LinearLayout layLeft; //右边的layout LinearLayout layRight; int screenWidth; ArrayList<MyAppInfo> mApplications = new ArrayList<MyAppInfo>(); TextView roll_dot1,roll_dot2,roll_dot3,roll_dot4; ArrayList<String> packagNameList ; private final int MENU_EXIT = 01; private MyReceiver receiver; private OnTouchListener myTouch = new OnTouchListener(){ @Override public boolean onTouch(View v, MotionEvent event) { return mGestureDetector.onTouchEvent(event); } }; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); initpackagNameList(); //监听系统新安装程序的广播 receiver = new MyReceiver(); IntentFilter filter = new IntentFilter(Intent.ACTION_PACKAGE_ADDED); filter.addDataScheme("package"); //必须添加这项,否则拦截不到广播 registerReceiver(receiver, filter); layContain = (LinearLayout) this.findViewById(R.id.layContain); layFirst = (LinearLayout) this.findViewById(R.id.layFirst); laySec = (LinearLayout) this.findViewById(R.id.laySec); layThird = (LinearLayout) this.findViewById(R.id.layThird); layFourth = (LinearLayout) this.findViewById(R.id.layFourth); roll_dot1 = (TextView) findViewById(R.id.roll_dot1); roll_dot2 = (TextView) findViewById(R.id.roll_dot2); roll_dot3 = (TextView) findViewById(R.id.roll_dot3); roll_dot4 = (TextView) findViewById(R.id.roll_dot4); layCur = layFirst; layLeft = null; layRight = laySec; layFirst.setOnTouchListener(myTouch); laySec.setOnTouchListener(myTouch); layThird.setOnTouchListener(myTouch); layFourth.setOnTouchListener(myTouch); //设置宽度 screenWidth = getWindowManager().getDefaultDisplay().getWidth(); layFirst.getLayoutParams().width = screenWidth; laySec.getLayoutParams().width = screenWidth; layThird.getLayoutParams().width = screenWidth; layFourth.getLayoutParams().width = screenWidth; mGestureDetector = new GestureDetector(this, new OnGestureListener(){ @Override public boolean onDown(MotionEvent e) { return true; } @Override public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) { int x = (int) (e2.getX() - e1.getX()); //判断方向 boolean dir = x>0;//如果大于0,为true,说明向右移动,直接将其前一个视图的marginleft设置成0,如果是向左移动,则直接将maringleft试着称宽度的负数 if(dir){ if(layLeft == null)return false; LinearLayout.LayoutParams llp = (LayoutParams) layLeft.getLayoutParams(); TranslateAnimation anim1 = new TranslateAnimation(llp.leftMargin,0,0,0); anim1.setDuration(500l); layLeft.startAnimation(anim1); //layLeft.setAnimation(anim); llp.setMargins(0, 0, 0, 0); layLeft.setLayoutParams(llp); if(layLeft == layFirst){ layLeft = null; layCur = layFirst; layRight =laySec ; //设置屏幕下方的小点随着页面的切换而改变 roll_dot2.setTextColor(Color.BLACK); roll_dot1.setTextColor(Color.WHITE); }else if(layLeft == laySec){ layLeft = layFirst; layCur = laySec; layRight =layThird ; roll_dot3.setTextColor(Color.BLACK); roll_dot2.setTextColor(Color.WHITE); }else if(layLeft == layThird){ layLeft = laySec; layCur = layThird; layRight =layFourth ; roll_dot4.setTextColor(Color.BLACK); roll_dot3.setTextColor(Color.WHITE); } }else{ if(layRight == null)return false; LinearLayout.LayoutParams llp = (LayoutParams) layCur.getLayoutParams(); int width = layCur.getWidth(); TranslateAnimation anim = new TranslateAnimation(width,0,0,0); anim.setDuration(500l); layRight.startAnimation(anim); llp.setMargins(-width, 0, 0, 0); layCur.setLayoutParams(llp); if(layCur == layFirst){ layLeft = layFirst; layCur = laySec; layRight =layThird ; roll_dot1.setTextColor(Color.BLACK); roll_dot2.setTextColor(Color.WHITE); }else if(layCur == laySec){ layLeft = laySec; layCur = layThird; layRight = layFourth ; roll_dot2.setTextColor(Color.BLACK); roll_dot3.setTextColor(Color.WHITE); }else if(layCur == layThird){ layLeft = layThird; layCur = layFourth; layRight = null ; roll_dot3.setTextColor(Color.BLACK); roll_dot4.setTextColor(Color.WHITE); } } return true; } @Override public void onLongPress(MotionEvent e) { // TODO Auto-generated method stub } @Override public boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX, float distanceY) { // TODO Auto-generated method stub return false; } @Override public void onShowPress(MotionEvent e) { // TODO Auto-generated method stub } @Override public boolean onSingleTapUp(MotionEvent e) { // TODO Auto-generated method stub return false; } });}