手势的创建与识别

手势的创建与识别

<TextView
       android:id="@+id/textView1"
       android:layout_width="wrap_content"
       android:layout_height="wrap_content"
       android:text="结果显示在这里"
       android:textSize="30sp" />

   <android.gesture.GestureOverlayView
       android:id="@+id/gestureOverlayView"
       android:layout_width="match_parent"
       android:layout_height="wrap_content"
       android:layout_weight="1"
       android:background="#22ffff00" />

public class MainActivity extends Activity implements OnGesturePerformedListener{
    private GestureOverlayView gov;
    private TextView mTextView;
    private GestureLibrary library;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        // 关联布局文件
        setContentView(R.layout.activity_main);
        gov = (GestureOverlayView) findViewById(R.id.gestureOverlayView);
        mTextView = (TextView) findViewById(R.id.textView1);
        // 加载手势文件
        library = GestureLibraries.fromRawResource(this, R.raw.gestures);
        if(!library.load()){
            finish();
        }
        gov.addOnGesturePerformedListener(this);
    }

    @Override
    public void onGesturePerformed(GestureOverlayView overlay,
            Gesture gesture) {
        // 获取全部预测结果
        ArrayList gestures = library.recognize(gesture);
        int index = 0;
        String s = "";
        for (int i = 0; i < gestures.size(); i++) {
            Prediction prediction = gestures.get(i);
            Log.e("prediction", "相似度为"+prediction.score);
        }   
    }

}