samples/browseable/WatchViewStub/src/com.example.android.google.wearable.watchviewstub/MainActivity.java

/*
 * Copyright (C) 2014 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.example.android.google.wearable.watchviewstub;

import android.app.Activity;
import android.os.Bundle;
import android.support.v4.view.GestureDetectorCompat;
import android.support.wearable.view.DismissOverlayView;
import android.support.wearable.view.WatchViewStub;
import android.view.GestureDetector;
import android.view.MotionEvent;
import android.view.View;
import android.view.animation.Animation;
import android.view.animation.ScaleAnimation;
import android.widget.RelativeLayout;

public class MainActivity extends Activity {
    private RelativeLayout mRectBackground;
    private RelativeLayout mRoundBackground;

    private GestureDetectorCompat mGestureDetector;
    private DismissOverlayView mDismissOverlayView;

    @Override
    public void onCreate(Bundle b) {
        super.onCreate(b);
        setContentView(R.layout.main_activity);

        WatchViewStub stub = (WatchViewStub) findViewById(R.id.stub);
        stub.setOnLayoutInflatedListener(new WatchViewStub.OnLayoutInflatedListener() {
            @Override
            public void onLayoutInflated(WatchViewStub stub) {
                mRectBackground = (RelativeLayout) findViewById(R.id.rect_layout);
                mRoundBackground = (RelativeLayout) findViewById(R.id.round_layout);
            }
        });

        mDismissOverlayView = (DismissOverlayView) findViewById(R.id.dismiss_overlay);
        mGestureDetector = new GestureDetectorCompat(this, new LongPressListener());
    }

    /**
     * Animates the layout when clicked. The animation used depends on whether the
     * device is round or rectangular.
     */
    public void onLayoutClicked(View view) {
        if (mRectBackground != null) {
            ScaleAnimation scaleAnimation = new ScaleAnimation(1.0f, 0.7f, 1.0f, 0.7f,
                    Animation.RELATIVE_TO_SELF, 0.5f, Animation.RELATIVE_TO_SELF, 0.5f);
            scaleAnimation.setDuration(300);
            scaleAnimation.setRepeatCount(1);
            scaleAnimation.setRepeatMode(Animation.REVERSE);
            mRectBackground.startAnimation(scaleAnimation);
        }
        if (mRoundBackground != null) {
            mRoundBackground.animate().rotationBy(360).setDuration(300).start();
        }
    }

    @Override
    public boolean dispatchTouchEvent(MotionEvent event) {
        return mGestureDetector.onTouchEvent(event) || super.dispatchTouchEvent(event);
    }

    private class LongPressListener extends GestureDetector.SimpleOnGestureListener {
        @Override
        public void onLongPress(MotionEvent event) {
            mDismissOverlayView.show();
        }
    }
}