android滑动切换,android实现界面滑动
android中如何实现滑动activity？如何左右滑动实现activity的切换？
你是要滑动切换activity还是页面？如果是activity的话你可以给当前页面添加手势，滑动的时候实现activity的切换然后给activity添加切换动画，如果是像qq那种效果可以用tab来做，实现效果很不错，或者activitygroup，还可以用fragment来做，这些实现效果都不错。如果是页面滑动切换，可以用viewpager，这个效果很好，代码能力强就用viewgroup的滚动来实现，效果也还可以。
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Andriod开发中怎样实现左右滑动切换标签
andriod开发中实现左右滑动切换标签的代码如下：
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;
ArrayListMyAppInfo mApplications = new ArrayListMyAppInfo();
TextView roll_dot1,roll_dot2,roll_dot3,roll_dot4;
ArrayListString 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 = x0;//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;
}
});
}
Android左右滑屏切换怎么做？像uc浏览器首页那样的，左右滑动时按钮上的蓝色条也跟着动，该怎么做
滑屏 部分可以用Viewpager来实现,至于上面按钮的蓝色条,是可以通过ViewPager的pageChangeListener,监听滑动的换页进行改变
android中怎么实现类似驾校一点通的滑动切换到下一题的效果
可以使用android 提供的viewpager控件，就可以实现滑动切换下一个界面，也可以监听手势的滑动动作
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