TextureViewActivity.java revision 1ec3a58bcdd0d5fa82cf878d974d062811933ae2 
1/*
2 * Copyright (C) 2011 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package com.android.test.hwui;
18
19import android.animation.AnimatorSet;
20import android.animation.ObjectAnimator;
21import android.app.Activity;
22import android.graphics.SurfaceTexture;
23import android.hardware.Camera;
24import android.os.Bundle;
25import android.view.Gravity;
26import android.view.TextureView;
27import android.view.View;
28import android.widget.Button;
29import android.widget.FrameLayout;
30
31import java.io.IOException;
32
33@SuppressWarnings({"UnusedDeclaration"})
34public class TextureViewActivity extends Activity implements TextureView.SurfaceTextureListener {
35    private Camera mCamera;
36    private TextureView mTextureView;
37    private FrameLayout mContent;
38    private AnimatorSet mAnimatorSet;
39
40    @Override
41    protected void onCreate(Bundle savedInstanceState) {
42        super.onCreate(savedInstanceState);
43
44        mContent = new FrameLayout(this);
45
46        mTextureView = new TextureView(this);
47        mTextureView.setSurfaceTextureListener(this);
48
49        Button button = new Button(this);
50        button.setText("Remove/Add");
51        button.setOnClickListener(new View.OnClickListener() {
52            private boolean mAdded = true;
53
54            @Override
55            public void onClick(View v) {
56                if (mAdded) {
57                    if (mAnimatorSet != null) mAnimatorSet.cancel();
58                    mContent.removeView(mTextureView);
59                } else {
60                    mContent.addView(mTextureView);
61                }
62                mAdded = !mAdded;
63            }
64        });
65
66        mContent.addView(mTextureView, new FrameLayout.LayoutParams(500, 400, Gravity.CENTER));
67        mContent.addView(button, new FrameLayout.LayoutParams(
68                FrameLayout.LayoutParams.WRAP_CONTENT, FrameLayout.LayoutParams.WRAP_CONTENT,
69                Gravity.CENTER_HORIZONTAL | Gravity.BOTTOM));
70        setContentView(mContent);
71    }
72
73    @Override
74    public void onSurfaceTextureAvailable(SurfaceTexture surface, int width, int height) {
75        mCamera = Camera.open();
76
77        try {
78            mCamera.setPreviewTexture(surface);
79        } catch (IOException t) {
80            android.util.Log.e("TextureView", "Cannot set preview texture target!", t);
81        }
82
83        mCamera.startPreview();
84
85        mTextureView.setCameraDistance(5000);
86
87//        ObjectAnimator rotationY = ObjectAnimator.ofFloat(mTextureView, "rotationY", 0.0f, 360.0f);
88//        rotationY.setRepeatMode(ObjectAnimator.REVERSE);
89//        rotationY.setRepeatCount(ObjectAnimator.INFINITE);
90//        rotationY.setDuration(4000);
91
92//        ObjectAnimator alpha = ObjectAnimator.ofFloat(mTextureView, "alpha", 1.0f, 0.0f);
93//        alpha.setRepeatMode(ObjectAnimator.REVERSE);
94//        alpha.setRepeatCount(ObjectAnimator.INFINITE);
95//        alpha.setDuration(4000);
96
97//        mAnimatorSet = new AnimatorSet();
98//        mAnimatorSet.play(alpha).with(rotationY);
99//        mAnimatorSet.start();
100    }
101
102    @Override
103    public void onSurfaceTextureSizeChanged(SurfaceTexture surface, int width, int height) {
104        // Ignored, the Camera does all the work for us
105    }
106
107    @Override
108    public void onSurfaceTextureDestroyed(SurfaceTexture surface) {
109        mCamera.stopPreview();
110        mCamera.release();
111    }
112}
113