1、由于Android界面上的所有控件一般都位于Layout控件(比如RelativeLayout)之上，而布局控件可以設置響應touch事件，所以可以通過布局控件的setOnTouchListen來截獲touch事件，做進一步的處理。

2、關于界面滑動，涉及到gesture的處理，而gesture(手勢)是touch事件的更高一層的事件，可以將touch事件傳入GestureDetector對象進行處理，而創建GestureDetector對象，要首先創建OnGestureListener對象，在OnGestureListener的OnFling函數中可以進行手勢識別。

3、具體流程。實現OnTouchListen和OnGestureListen兩個抽象類，同時實現其中的抽象函數即可。

(1)IntellisenseActivity中繼承抽象類

(2)創建布局控件RelativeLayout的id為relativelayout

(3)代碼編寫

package com.design.cjc.intellisense;

import android.content.Intent;

import android.support.v7.app.ActionBarActivity;

import android.os.Bundle;

import android.view.GestureDetector;

import android.view.Menu;

import android.view.MenuItem;

import android.view.MotionEvent;

import android.view.View;

import android.widget.RelativeLayout;

public class IntellisenseActivity extends ActionBarActivity implements View.OnTouchListener,GestureDetector.OnGestureListener{

private RelativeLayout rl;

private GestureDetector gd;

@Override

protected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.activity_intellisense);

rl=(RelativeLayout)findViewById(R.id.relativelayout);

rl.setOnTouchListener(this);

rl.setLongClickable(true); //很重要

gd=new GestureDetector((GestureDetector.OnGestureListener)this);

}

@Override

public boolean onCreateOptionsMenu(Menu menu) {

// Inflate the menu; this adds items to the action bar if it is present.

getMenuInflater().inflate(R.menu.menu_intellisense, menu);

return true;

}

@Override

public boolean onOptionsItemSelected(MenuItem item) {

// Handle action bar item clicks here. The action bar will

// automatically handle clicks on the Home/Up button, so long

// as you specify a parent activity in AndroidManifest.xml.

int id = item.getItemId();

//noinspection SimplifiableIfStatement

if (id == R.id.action_settings) {

return true;

}

return super.onOptionsItemSelected(item);

}

@Override

public boolean onDown(MotionEvent e) {

return false;

}

@Override

public void onShowPress(MotionEvent e) {

}

@Override

public boolean onSingleTapUp(MotionEvent e) {

return false;

}

@Override

public boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX, float distanceY) {

return false;

}

@Override

public void onLongPress(MotionEvent e) {

}

@Override

public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) {

//手勢識別

//e1:起點信息

//e2:終點信息

//velocityX:x方向移動速度

//velocityY:y方向移動速度

final int FLING_MIN_DISTANCE=100;

final int FLING_MIN_VELOCITY=200;

if(e1.getX() - e2.getX() > FLING_MIN_DISTANCE && Math.abs(velocityX) > FLING_MIN_VELOCITY){

Intent intent = new Intent(IntellisenseActivity.this, PCCtrlActivity.class);

startActivity(intent);

}

return false;

}

@Override

public boolean onTouch(View v, MotionEvent event) {

return gd.onTouchEvent(event); //touch事件交給GestureDetector處理

//return false;

}

}

(3)PCCtrlActivity中做與IntellisenseActivity相近的處理

package com.design.cjc.intellisense;

import android.content.Intent;

import android.support.v7.app.ActionBarActivity;

import android.os.Bundle;

import android.view.GestureDetector;

import android.view.Menu;

import android.view.MenuItem;

import android.view.MotionEvent;

import android.view.View;

import android.widget.RelativeLayout;

public class PCCtrlActivity extends ActionBarActivity implements View.OnTouchListener,GestureDetector.OnGestureListener {

private RelativeLayout rl;

private GestureDetector gd;

@Override

protected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.activity_pcctrl);

rl=(RelativeLayout)findViewById(R.id.relativelayout);

rl.setOnTouchListener(this);

rl.setLongClickable(true); //很重要

gd=new GestureDetector((GestureDetector.OnGestureListener)this);

}

@Override

public boolean onCreateOptionsMenu(Menu menu) {

// Inflate the menu; this adds items to the action bar if it is present.

getMenuInflater().inflate(R.menu.menu_pcctrl, menu);

return true;

}

@Override

public boolean onOptionsItemSelected(MenuItem item) {

// Handle action bar item clicks here. The action bar will

// automatically handle clicks on the Home/Up button, so long

// as you specify a parent activity in AndroidManifest.xml.

int id = item.getItemId();

//noinspection SimplifiableIfStatement

if (id == R.id.action_settings) {

return true;

}

return super.onOptionsItemSelected(item);

}

@Override

public boolean onDown(MotionEvent e) {

return false;

}

@Override

public void onShowPress(MotionEvent e) {

}

@Override

public boolean onSingleTapUp(MotionEvent e) {

return false;

}

@Override

public boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX, float distanceY) {

return false;

}

@Override

public void onLongPress(MotionEvent e) {

}

@Override

public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) {

final int FLING_MIN_DISTANCE=100;

final int FLING_MIN_VELOCITY=200;

if(e1.getX() - e2.getX() > FLING_MIN_DISTANCE && Math.abs(velocityX) > FLING_MIN_VELOCITY){

Intent intent = new Intent(PCCtrlActivity.this,IntellisenseActivity.class);

startActivity(intent);

}

return false;

}

@Override

public boolean onTouch(View v, MotionEvent event) {

return gd.onTouchEvent(event);

}

}

參考文獻

原文：http://blog.csdn.net/cjc211322/article/details/44260429

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