<!-- 拨打电话  --><uses-permission android:name="android.permission.CALL_PHONE"/>

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"xmlns:tools="http://schemas.android.com/tools"android:layout_width="match_parent"android:layout_height="match_parent"android:paddingBottom="@dimen/activity_vertical_margin"android:paddingLeft="@dimen/activity_horizontal_margin"android:paddingRight="@dimen/activity_horizontal_margin"android:paddingTop="@dimen/activity_vertical_margin"tools:context=".MainActivity" ><!--gestureStrokeType:可以设置单笔识别或多笔识别layout_weight:优先级别默认为0，最高为0，次之1...。显示界面时，先测量按钮的高度，然后再用窗口高度减去按钮高度，所得的高度设置到手势界面--><android.gesture.GestureOverlayViewandroid:id="@+id/gestures"android:layout_width="fill_parent"android:layout_height="fill_parent"android:layout_above="@+id/btnCheck"android:layout_weight="1"android:gestureStrokeType="multiple" /><Buttonandroid:id="@+id/btnCheck"android:layout_width="wrap_content"android:layout_height="wrap_content"android:layout_alignParentBottom="true"android:layout_alignParentLeft="true"android:layout_marginBottom="5dp"android:layout_weight="0"android:onClick="match"android:text="@string/check" />
</RelativeLayout>

package com.example.gesture;import java.util.List;import android.R.anim;
import android.app.Activity;
import android.content.Intent;
import android.gesture.Gesture;
import android.gesture.GestureLibraries;
import android.gesture.GestureLibrary;
import android.gesture.GestureOverlayView;
import android.gesture.GestureOverlayView.OnGestureListener;
import android.gesture.Prediction;
import android.net.Uri;
import android.os.Bundle;
import android.util.Log;
import android.view.Menu;
import android.view.MotionEvent;
import android.view.View;
import android.widget.Toast;public class MainActivity extends Activity {private static final String TAG="Gesture";private GestureOverlayView gestureOverlayView;private GestureLibrary mLibrary;private boolean state;private Gesture gesture;//用户最终画完手势
@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_main);mLibrary = GestureLibraries.fromRawResource(this, R.raw.gestures);state = mLibrary.load();//加载手势库Log.i(TAG, state+"");gestureOverlayView = (GestureOverlayView)this.findViewById(R.id.gestures);//当用户完成一次Gesture绘制后，系统将自动调用Listener对象的onGesturePerformed()方法,只支持单笔手势//gestureOverlayView.addOnGesturePerformedListener(new GestureListener());//可以监听单笔和多笔识别gestureOverlayView.addOnGestureListener(new MyGestureListener());}public void match(View v){matchGesture(gesture);gestureOverlayView.clear(true);}//单多笔监视private final class MyGestureListener implements OnGestureListener{@Overridepublic void onGesture(GestureOverlayView overlay, MotionEvent event) {Log.i(TAG, "onGesture() ... ");}@Overridepublic void onGestureCancelled(GestureOverlayView overlay,MotionEvent event) {Log.i(TAG, "onGestureCancelled() ... ");}@Overridepublic void onGestureEnded(GestureOverlayView overlay, MotionEvent event) {Log.i(TAG, "onGestureEnded() ... ");gesture=overlay.getGesture();}@Overridepublic void onGestureStarted(GestureOverlayView overlay,MotionEvent event) {Log.i(TAG, "onGestureStarted() ... ");}}//单笔手势监听类private final class GestureListener implements GestureOverlayView.OnGesturePerformedListener{@Overridepublic void onGesturePerformed(GestureOverlayView overlay, Gesture gesture) {if(state){matchGesture(gesture);}}}private void matchGesture(Gesture gesture) {//123：对号，258：X,369:李，456：Z//从手势库中查询匹配的内容，匹配的结果可能包括多个相似的结果，匹配度高的结果放在最前面List<Prediction> predictions = mLibrary.recognize(gesture);if(!predictions.isEmpty()){Prediction prediction = predictions.get(0);//prediction的score属性代表了与手势的相似程度//prediction的name代表手势对应的名称if(prediction.score > 6){if("123".equals(prediction.name)){Intent intent = new Intent(Intent.ACTION_CALL,Uri.parse("tel:159016"));startActivity(intent);}else if ("456".equals(prediction.name)) {finish();//关闭activity,会触发onDestroy方法，进而关闭应用}else if ("369".equals(prediction.name)) {Toast.makeText(getApplicationContext(), "结果：李", Toast.LENGTH_LONG).show();}else if ("258".equals(prediction.name)) {Toast.makeText(getApplicationContext(), "结果：X", Toast.LENGTH_LONG).show();}}else {Toast.makeText(getApplicationContext(), R.string.notfull, Toast.LENGTH_LONG).show();}}else{Toast.makeText(getApplicationContext(), R.string.notfind, Toast.LENGTH_LONG).show();}}@Overrideprotected void onDestroy() {//杀掉进程super.onDestroy();android.os.Process.killProcess(android.os.Process.myPid());//关闭应用
    }@Overridepublic boolean onCreateOptionsMenu(Menu menu) {getMenuInflater().inflate(R.menu.main, menu);return true;}}