手势识别，手写.zip

package cn.itcast.gesture; import java.util.ArrayList; 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.GestureOverlayView.OnGesturePerformedListener; import android.gesture.Prediction; import android.net.Uri; import android.os.Bundle; import android.util.Log; import android.view.MotionEvent; import android.view.View; import android.widget.Toast; public class MainActivity extends Activity { private static final String TAG = "MainActivity"; private GestureLibrary library; private Gesture mgesture; private GestureOverlayView overlayView; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); library = GestureLibraries.fromRawResource(this, R.raw.gestures); library.load(); overlayView = (GestureOverlayView) this.findViewById(R.id.gestures); //只针对单笔手势：overlayView.addOnGesturePerformedListener(new GesturePerformedListener()); overlayView.addOnGestureListener(new GestureListener()); } public void find(View v){ recognize(mgesture); overlayView.clear(true); } private final class GestureListener implements OnGestureListener{ public void onGestureStarted(GestureOverlayView overlay, MotionEvent event) { Log.i(TAG, "onGestureStarted()"); } public void onGesture(GestureOverlayView overlay, MotionEvent event) { Log.i(TAG, "onGesture()"); } public void onGestureEnded(GestureOverlayView overlay, MotionEvent event) { Log.i(TAG, "onGestureEnded()"); mgesture = overlay.getGesture(); } public void onGestureCancelled(GestureOverlayView overlay, MotionEvent event) { Log.i(TAG, "onGestureCancelled()"); } } private final class GesturePerformedListener implements OnGesturePerformedListener{ public void onGesturePerformed(GestureOverlayView overlay, Gesture gesture) { recognize(gesture); } } private void recognize(Gesture gesture) { if (gesture!=null) { ArrayList<Prediction> predictions = library.recognize(gesture); if (!predictions.isEmpty()) { Prediction prediction = predictions.get(0); if (prediction.score >= 6) { if ("zhangxx".equals(prediction.name)) { Intent intent = new Intent(Intent.ACTION_CALL, Uri.parse("tel:1350505050")); startActivity(intent); } else if ("close".equals(prediction.name)) { finish();//关闭Activity } } else { Toast.makeText(getApplicationContext(), R.string.low, 1) .show(); } } else { Toast.makeText(getApplicationContext(), R.string.notfind, 1) .show(); } } } @Override protected void onDestroy() { super.onDestroy(); android.os.Process.killProcess(android.os.Process.myPid());//关闭应用 } }