[Android]_ch3.5_GestureOverlayView元件介紹2

[Android]_ch3.5_GestureOverlayView元件介紹2



package com.derek.ch7_gesture;



import java.util.ArrayList;



import android.R.integer;

import android.app.Activity;

import android.gesture.Gesture;

import android.gesture.GestureLibraries;

import android.gesture.GestureLibrary;

import android.gesture.GestureOverlayView;

import android.gesture.GestureOverlayView.OnGesturePerformedListener;

import android.gesture.Prediction;

import android.os.Bundle;

import android.view.Menu;

import android.view.MenuItem;

import android.widget.TextView;

import android.widget.Toast;





public class MainActivity extends Activity {

GestureOverlayView gv;

TextView tv1;

GestureLibrary gl;

    @Override

    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_main);

        tv1=(TextView)findViewById(R.id.textView1);

        gv=(GestureOverlayView)findViewById(R.id.gestureOverlayView1);

        gl=GestureLibraries.fromRawResource(MainActivity.this, R.raw.gestures);

        if(!gl.load())

        finish();

        gv.addOnGesturePerformedListener(new OnGesturePerformedListener() {

@Override

public void onGesturePerformed(GestureOverlayView overlay, Gesture usr) {

ArrayList<Prediction> list=gl.recognize(usr);

if(list.size()>0){

StringBuilder sb=new StringBuilder("共"+list.size()+"筆--比對結果如下:\n");

for(int i=0;i<list.size();i++){

Prediction p=list.get(i);

String name=p.name;

double score=p.score;

sb.append(String.format("第%d筆:名稱:%s 分數:%.2f%n",(i+1),name,score));

}

if(list.get(0).score>2.0)

sb.append(String.format("比對結果: %s%n分數:%.2f",list.get(0).name,list.get(0).score));

else

sb.append("找不到相符資料...");

tv1.setText(sb);

}else{

Toast.makeText(MainActivity.this, "沒有任何比對資料!",Toast.LENGTH_SHORT).show();

}



}

});

    }

}