682 lines
25 KiB
Java
682 lines
25 KiB
Java
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/*
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* Copyright (C) 2006 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package android.widget;
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import android.app.AlertDialog;
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import android.content.Context;
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import android.content.DialogInterface;
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import android.content.Intent;
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import android.content.res.Resources;
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import android.media.AudioManager;
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import android.media.MediaPlayer;
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import android.media.Metadata;
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import android.media.MediaPlayer.OnCompletionListener;
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import android.media.MediaPlayer.OnErrorListener;
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import android.net.Uri;
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import android.util.AttributeSet;
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import android.util.Log;
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import android.view.KeyEvent;
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import android.view.MotionEvent;
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import android.view.SurfaceHolder;
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import android.view.SurfaceView;
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import android.view.View;
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import android.widget.MediaController.MediaPlayerControl;
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import java.io.IOException;
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import java.util.Map;
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/**
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* Displays a video file. The VideoView class
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* can load images from various sources (such as resources or content
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* providers), takes care of computing its measurement from the video so that
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* it can be used in any layout manager, and provides various display options
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* such as scaling and tinting.
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*/
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public class VideoView extends SurfaceView implements MediaPlayerControl {
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private String TAG = "VideoView";
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// settable by the client
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private Uri mUri;
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private Map<String, String> mHeaders;
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private int mDuration;
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// all possible internal states
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private static final int STATE_ERROR = -1;
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private static final int STATE_IDLE = 0;
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private static final int STATE_PREPARING = 1;
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private static final int STATE_PREPARED = 2;
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private static final int STATE_PLAYING = 3;
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private static final int STATE_PAUSED = 4;
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private static final int STATE_PLAYBACK_COMPLETED = 5;
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private static final int STATE_SUSPEND = 6;
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private static final int STATE_RESUME = 7;
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private static final int STATE_SUSPEND_UNSUPPORTED = 8;
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// mCurrentState is a VideoView object's current state.
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// mTargetState is the state that a method caller intends to reach.
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// For instance, regardless the VideoView object's current state,
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// calling pause() intends to bring the object to a target state
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// of STATE_PAUSED.
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private int mCurrentState = STATE_IDLE;
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private int mTargetState = STATE_IDLE;
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// All the stuff we need for playing and showing a video
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private SurfaceHolder mSurfaceHolder = null;
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private MediaPlayer mMediaPlayer = null;
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private int mVideoWidth;
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private int mVideoHeight;
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private int mSurfaceWidth;
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private int mSurfaceHeight;
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private MediaController mMediaController;
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private OnCompletionListener mOnCompletionListener;
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private MediaPlayer.OnPreparedListener mOnPreparedListener;
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private int mCurrentBufferPercentage;
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private OnErrorListener mOnErrorListener;
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private int mSeekWhenPrepared; // recording the seek position while preparing
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private boolean mCanPause;
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private boolean mCanSeekBack;
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private boolean mCanSeekForward;
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private int mStateWhenSuspended; //state before calling suspend()
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public VideoView(Context context) {
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super(context);
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initVideoView();
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}
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public VideoView(Context context, AttributeSet attrs) {
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this(context, attrs, 0);
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initVideoView();
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}
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public VideoView(Context context, AttributeSet attrs, int defStyle) {
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super(context, attrs, defStyle);
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initVideoView();
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}
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@Override
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protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
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//Log.i("@@@@", "onMeasure");
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int width = getDefaultSize(mVideoWidth, widthMeasureSpec);
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int height = getDefaultSize(mVideoHeight, heightMeasureSpec);
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if (mVideoWidth > 0 && mVideoHeight > 0) {
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if ( mVideoWidth * height > width * mVideoHeight ) {
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//Log.i("@@@", "image too tall, correcting");
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height = width * mVideoHeight / mVideoWidth;
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} else if ( mVideoWidth * height < width * mVideoHeight ) {
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//Log.i("@@@", "image too wide, correcting");
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width = height * mVideoWidth / mVideoHeight;
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} else {
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//Log.i("@@@", "aspect ratio is correct: " +
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//width+"/"+height+"="+
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//mVideoWidth+"/"+mVideoHeight);
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}
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}
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//Log.i("@@@@@@@@@@", "setting size: " + width + 'x' + height);
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setMeasuredDimension(width, height);
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}
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public int resolveAdjustedSize(int desiredSize, int measureSpec) {
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int result = desiredSize;
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int specMode = MeasureSpec.getMode(measureSpec);
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int specSize = MeasureSpec.getSize(measureSpec);
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switch (specMode) {
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case MeasureSpec.UNSPECIFIED:
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/* Parent says we can be as big as we want. Just don't be larger
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* than max size imposed on ourselves.
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*/
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result = desiredSize;
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break;
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case MeasureSpec.AT_MOST:
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/* Parent says we can be as big as we want, up to specSize.
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* Don't be larger than specSize, and don't be larger than
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* the max size imposed on ourselves.
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*/
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result = Math.min(desiredSize, specSize);
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break;
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case MeasureSpec.EXACTLY:
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// No choice. Do what we are told.
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result = specSize;
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break;
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}
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return result;
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}
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private void initVideoView() {
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mVideoWidth = 0;
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mVideoHeight = 0;
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getHolder().addCallback(mSHCallback);
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getHolder().setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS);
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setFocusable(true);
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setFocusableInTouchMode(true);
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requestFocus();
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mCurrentState = STATE_IDLE;
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mTargetState = STATE_IDLE;
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}
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public void setVideoPath(String path) {
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setVideoURI(Uri.parse(path));
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}
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public void setVideoURI(Uri uri) {
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setVideoURI(uri, null);
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}
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/**
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* @hide
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*/
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public void setVideoURI(Uri uri, Map<String, String> headers) {
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mUri = uri;
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mHeaders = headers;
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mSeekWhenPrepared = 0;
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openVideo();
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requestLayout();
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invalidate();
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}
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public void stopPlayback() {
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if (mMediaPlayer != null) {
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mMediaPlayer.stop();
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mMediaPlayer.release();
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mMediaPlayer = null;
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mCurrentState = STATE_IDLE;
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mTargetState = STATE_IDLE;
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}
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}
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private void openVideo() {
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if (mUri == null || mSurfaceHolder == null) {
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// not ready for playback just yet, will try again later
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return;
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}
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// Tell the music playback service to pause
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// TODO: these constants need to be published somewhere in the framework.
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Intent i = new Intent("com.android.music.musicservicecommand");
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i.putExtra("command", "pause");
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mContext.sendBroadcast(i);
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// we shouldn't clear the target state, because somebody might have
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// called start() previously
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release(false);
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try {
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mMediaPlayer = new MediaPlayer();
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mMediaPlayer.setOnPreparedListener(mPreparedListener);
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mMediaPlayer.setOnVideoSizeChangedListener(mSizeChangedListener);
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mDuration = -1;
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mMediaPlayer.setOnCompletionListener(mCompletionListener);
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mMediaPlayer.setOnErrorListener(mErrorListener);
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mMediaPlayer.setOnBufferingUpdateListener(mBufferingUpdateListener);
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mCurrentBufferPercentage = 0;
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mMediaPlayer.setDataSource(mContext, mUri, mHeaders);
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mMediaPlayer.setDisplay(mSurfaceHolder);
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mMediaPlayer.setAudioStreamType(AudioManager.STREAM_MUSIC);
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mMediaPlayer.setScreenOnWhilePlaying(true);
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mMediaPlayer.prepareAsync();
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// we don't set the target state here either, but preserve the
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// target state that was there before.
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mCurrentState = STATE_PREPARING;
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attachMediaController();
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} catch (IOException ex) {
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Log.w(TAG, "Unable to open content: " + mUri, ex);
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mCurrentState = STATE_ERROR;
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mTargetState = STATE_ERROR;
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mErrorListener.onError(mMediaPlayer, MediaPlayer.MEDIA_ERROR_UNKNOWN, 0);
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return;
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} catch (IllegalArgumentException ex) {
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Log.w(TAG, "Unable to open content: " + mUri, ex);
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mCurrentState = STATE_ERROR;
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mTargetState = STATE_ERROR;
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mErrorListener.onError(mMediaPlayer, MediaPlayer.MEDIA_ERROR_UNKNOWN, 0);
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return;
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}
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}
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public void setMediaController(MediaController controller) {
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if (mMediaController != null) {
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mMediaController.hide();
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}
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mMediaController = controller;
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attachMediaController();
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}
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private void attachMediaController() {
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if (mMediaPlayer != null && mMediaController != null) {
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mMediaController.setMediaPlayer(this);
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View anchorView = this.getParent() instanceof View ?
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(View)this.getParent() : this;
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mMediaController.setAnchorView(anchorView);
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mMediaController.setEnabled(isInPlaybackState());
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}
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}
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MediaPlayer.OnVideoSizeChangedListener mSizeChangedListener =
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new MediaPlayer.OnVideoSizeChangedListener() {
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public void onVideoSizeChanged(MediaPlayer mp, int width, int height) {
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mVideoWidth = mp.getVideoWidth();
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mVideoHeight = mp.getVideoHeight();
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if (mVideoWidth != 0 && mVideoHeight != 0) {
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getHolder().setFixedSize(mVideoWidth, mVideoHeight);
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}
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}
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};
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MediaPlayer.OnPreparedListener mPreparedListener = new MediaPlayer.OnPreparedListener() {
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public void onPrepared(MediaPlayer mp) {
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mCurrentState = STATE_PREPARED;
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// Get the capabilities of the player for this stream
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Metadata data = mp.getMetadata(MediaPlayer.METADATA_ALL,
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MediaPlayer.BYPASS_METADATA_FILTER);
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if (data != null) {
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mCanPause = !data.has(Metadata.PAUSE_AVAILABLE)
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|| data.getBoolean(Metadata.PAUSE_AVAILABLE);
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mCanSeekBack = !data.has(Metadata.SEEK_BACKWARD_AVAILABLE)
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|| data.getBoolean(Metadata.SEEK_BACKWARD_AVAILABLE);
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mCanSeekForward = !data.has(Metadata.SEEK_FORWARD_AVAILABLE)
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} else {
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mCanPause = mCanSeekBack = mCanSeekForward = true;
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}
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if (mOnPreparedListener != null) {
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mOnPreparedListener.onPrepared(mMediaPlayer);
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}
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if (mMediaController != null) {
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mMediaController.setEnabled(true);
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}
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mVideoWidth = mp.getVideoWidth();
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mVideoHeight = mp.getVideoHeight();
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int seekToPosition = mSeekWhenPrepared; // mSeekWhenPrepared may be changed after seekTo() call
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if (seekToPosition != 0) {
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seekTo(seekToPosition);
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}
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if (mVideoWidth != 0 && mVideoHeight != 0) {
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//Log.i("@@@@", "video size: " + mVideoWidth +"/"+ mVideoHeight);
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getHolder().setFixedSize(mVideoWidth, mVideoHeight);
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if (mSurfaceWidth == mVideoWidth && mSurfaceHeight == mVideoHeight) {
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// We didn't actually change the size (it was already at the size
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// we need), so we won't get a "surface changed" callback, so
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// start the video here instead of in the callback.
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if (mTargetState == STATE_PLAYING) {
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start();
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if (mMediaController != null) {
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mMediaController.show();
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}
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} else if (!isPlaying() &&
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(seekToPosition != 0 || getCurrentPosition() > 0)) {
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if (mMediaController != null) {
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// Show the media controls when we're paused into a video and make 'em stick.
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mMediaController.show(0);
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}
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}
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}
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} else {
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// We don't know the video size yet, but should start anyway.
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// The video size might be reported to us later.
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if (mTargetState == STATE_PLAYING) {
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start();
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}
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}
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}
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};
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private MediaPlayer.OnCompletionListener mCompletionListener =
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new MediaPlayer.OnCompletionListener() {
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public void onCompletion(MediaPlayer mp) {
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mCurrentState = STATE_PLAYBACK_COMPLETED;
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mTargetState = STATE_PLAYBACK_COMPLETED;
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if (mMediaController != null) {
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mMediaController.hide();
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}
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if (mOnCompletionListener != null) {
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mOnCompletionListener.onCompletion(mMediaPlayer);
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}
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}
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};
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private MediaPlayer.OnErrorListener mErrorListener =
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new MediaPlayer.OnErrorListener() {
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public boolean onError(MediaPlayer mp, int framework_err, int impl_err) {
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Log.d(TAG, "Error: " + framework_err + "," + impl_err);
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mCurrentState = STATE_ERROR;
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mTargetState = STATE_ERROR;
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if (mMediaController != null) {
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mMediaController.hide();
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}
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/* If an error handler has been supplied, use it and finish. */
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if (mOnErrorListener != null) {
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if (mOnErrorListener.onError(mMediaPlayer, framework_err, impl_err)) {
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return true;
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}
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}
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/* Otherwise, pop up an error dialog so the user knows that
|
||
|
|
* something bad has happened. Only try and pop up the dialog
|
||
|
|
* if we're attached to a window. When we're going away and no
|
||
|
|
* longer have a window, don't bother showing the user an error.
|
||
|
|
*/
|
||
|
|
if (getWindowToken() != null) {
|
||
|
|
Resources r = mContext.getResources();
|
||
|
|
int messageId;
|
||
|
|
|
||
|
|
if (framework_err == MediaPlayer.MEDIA_ERROR_NOT_VALID_FOR_PROGRESSIVE_PLAYBACK) {
|
||
|
|
messageId = com.android.internal.R.string.VideoView_error_text_invalid_progressive_playback;
|
||
|
|
} else {
|
||
|
|
messageId = com.android.internal.R.string.VideoView_error_text_unknown;
|
||
|
|
}
|
||
|
|
|
||
|
|
new AlertDialog.Builder(mContext)
|
||
|
|
.setTitle(com.android.internal.R.string.VideoView_error_title)
|
||
|
|
.setMessage(messageId)
|
||
|
|
.setPositiveButton(com.android.internal.R.string.VideoView_error_button,
|
||
|
|
new DialogInterface.OnClickListener() {
|
||
|
|
public void onClick(DialogInterface dialog, int whichButton) {
|
||
|
|
/* If we get here, there is no onError listener, so
|
||
|
|
* at least inform them that the video is over.
|
||
|
|
*/
|
||
|
|
if (mOnCompletionListener != null) {
|
||
|
|
mOnCompletionListener.onCompletion(mMediaPlayer);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
})
|
||
|
|
.setCancelable(false)
|
||
|
|
.show();
|
||
|
|
}
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
private MediaPlayer.OnBufferingUpdateListener mBufferingUpdateListener =
|
||
|
|
new MediaPlayer.OnBufferingUpdateListener() {
|
||
|
|
public void onBufferingUpdate(MediaPlayer mp, int percent) {
|
||
|
|
mCurrentBufferPercentage = percent;
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Register a callback to be invoked when the media file
|
||
|
|
* is loaded and ready to go.
|
||
|
|
*
|
||
|
|
* @param l The callback that will be run
|
||
|
|
*/
|
||
|
|
public void setOnPreparedListener(MediaPlayer.OnPreparedListener l)
|
||
|
|
{
|
||
|
|
mOnPreparedListener = l;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Register a callback to be invoked when the end of a media file
|
||
|
|
* has been reached during playback.
|
||
|
|
*
|
||
|
|
* @param l The callback that will be run
|
||
|
|
*/
|
||
|
|
public void setOnCompletionListener(OnCompletionListener l)
|
||
|
|
{
|
||
|
|
mOnCompletionListener = l;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Register a callback to be invoked when an error occurs
|
||
|
|
* during playback or setup. If no listener is specified,
|
||
|
|
* or if the listener returned false, VideoView will inform
|
||
|
|
* the user of any errors.
|
||
|
|
*
|
||
|
|
* @param l The callback that will be run
|
||
|
|
*/
|
||
|
|
public void setOnErrorListener(OnErrorListener l)
|
||
|
|
{
|
||
|
|
mOnErrorListener = l;
|
||
|
|
}
|
||
|
|
|
||
|
|
SurfaceHolder.Callback mSHCallback = new SurfaceHolder.Callback()
|
||
|
|
{
|
||
|
|
public void surfaceChanged(SurfaceHolder holder, int format,
|
||
|
|
int w, int h)
|
||
|
|
{
|
||
|
|
mSurfaceWidth = w;
|
||
|
|
mSurfaceHeight = h;
|
||
|
|
boolean isValidState = (mTargetState == STATE_PLAYING);
|
||
|
|
boolean hasValidSize = (mVideoWidth == w && mVideoHeight == h);
|
||
|
|
if (mMediaPlayer != null && isValidState && hasValidSize) {
|
||
|
|
if (mSeekWhenPrepared != 0) {
|
||
|
|
seekTo(mSeekWhenPrepared);
|
||
|
|
}
|
||
|
|
start();
|
||
|
|
}
|
||
|
|
if (mMediaController != null && hasValidSize) {
|
||
|
|
if (mMediaController.isShowing()) {
|
||
|
|
// ensure the controller will get repositioned later
|
||
|
|
mMediaController.hide();
|
||
|
|
}
|
||
|
|
mMediaController.show();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
public void surfaceCreated(SurfaceHolder holder)
|
||
|
|
{
|
||
|
|
mSurfaceHolder = holder;
|
||
|
|
//resume() was called before surfaceCreated()
|
||
|
|
if (mMediaPlayer != null && mCurrentState == STATE_SUSPEND
|
||
|
|
&& mTargetState == STATE_RESUME) {
|
||
|
|
mMediaPlayer.setDisplay(mSurfaceHolder);
|
||
|
|
resume();
|
||
|
|
} else if (mMediaPlayer != null && mCurrentState == STATE_SUSPEND
|
||
|
|
&& mTargetState == STATE_SUSPEND) {
|
||
|
|
mMediaPlayer.setDisplay(mSurfaceHolder);
|
||
|
|
} else {
|
||
|
|
openVideo();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
public void surfaceDestroyed(SurfaceHolder holder)
|
||
|
|
{
|
||
|
|
// after we return from this we can't use the surface any more
|
||
|
|
mSurfaceHolder = null;
|
||
|
|
if (mMediaController != null) mMediaController.hide();
|
||
|
|
if (mCurrentState != STATE_SUSPEND) {
|
||
|
|
release(true);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
/*
|
||
|
|
* release the media player in any state
|
||
|
|
*/
|
||
|
|
private void release(boolean cleartargetstate) {
|
||
|
|
if (mMediaPlayer != null) {
|
||
|
|
mMediaPlayer.reset();
|
||
|
|
mMediaPlayer.release();
|
||
|
|
mMediaPlayer = null;
|
||
|
|
mCurrentState = STATE_IDLE;
|
||
|
|
if (cleartargetstate) {
|
||
|
|
mTargetState = STATE_IDLE;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
@Override
|
||
|
|
public boolean onTouchEvent(MotionEvent ev) {
|
||
|
|
if (isInPlaybackState() && mMediaController != null) {
|
||
|
|
toggleMediaControlsVisiblity();
|
||
|
|
}
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
@Override
|
||
|
|
public boolean onTrackballEvent(MotionEvent ev) {
|
||
|
|
if (isInPlaybackState() && mMediaController != null) {
|
||
|
|
toggleMediaControlsVisiblity();
|
||
|
|
}
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
@Override
|
||
|
|
public boolean onKeyDown(int keyCode, KeyEvent event)
|
||
|
|
{
|
||
|
|
boolean isKeyCodeSupported = keyCode != KeyEvent.KEYCODE_BACK &&
|
||
|
|
keyCode != KeyEvent.KEYCODE_VOLUME_UP &&
|
||
|
|
keyCode != KeyEvent.KEYCODE_VOLUME_DOWN &&
|
||
|
|
keyCode != KeyEvent.KEYCODE_MENU &&
|
||
|
|
keyCode != KeyEvent.KEYCODE_CALL &&
|
||
|
|
keyCode != KeyEvent.KEYCODE_ENDCALL &&
|
||
|
|
keyCode != KeyEvent.KEYCODE_UNKNOWN;
|
||
|
|
if (isInPlaybackState() && isKeyCodeSupported && mMediaController != null) {
|
||
|
|
if (keyCode == KeyEvent.KEYCODE_HEADSETHOOK ||
|
||
|
|
keyCode == KeyEvent.KEYCODE_MEDIA_PLAY_PAUSE) {
|
||
|
|
if (mMediaPlayer.isPlaying()) {
|
||
|
|
pause();
|
||
|
|
mMediaController.show();
|
||
|
|
} else {
|
||
|
|
start();
|
||
|
|
mMediaController.hide();
|
||
|
|
}
|
||
|
|
return true;
|
||
|
|
} else if (keyCode == KeyEvent.KEYCODE_MEDIA_STOP
|
||
|
|
&& mMediaPlayer.isPlaying()) {
|
||
|
|
pause();
|
||
|
|
mMediaController.show();
|
||
|
|
} else {
|
||
|
|
toggleMediaControlsVisiblity();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return super.onKeyDown(keyCode, event);
|
||
|
|
}
|
||
|
|
|
||
|
|
private void toggleMediaControlsVisiblity() {
|
||
|
|
if (mMediaController.isShowing()) {
|
||
|
|
mMediaController.hide();
|
||
|
|
} else {
|
||
|
|
mMediaController.show();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
public void start() {
|
||
|
|
if (isInPlaybackState()) {
|
||
|
|
mMediaPlayer.start();
|
||
|
|
mCurrentState = STATE_PLAYING;
|
||
|
|
}
|
||
|
|
mTargetState = STATE_PLAYING;
|
||
|
|
}
|
||
|
|
|
||
|
|
public void pause() {
|
||
|
|
if (isInPlaybackState()) {
|
||
|
|
if (mMediaPlayer.isPlaying()) {
|
||
|
|
mMediaPlayer.pause();
|
||
|
|
mCurrentState = STATE_PAUSED;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
mTargetState = STATE_PAUSED;
|
||
|
|
}
|
||
|
|
|
||
|
|
public void suspend() {
|
||
|
|
if (isInPlaybackState()) {
|
||
|
|
if (mMediaPlayer.suspend()) {
|
||
|
|
mStateWhenSuspended = mCurrentState;
|
||
|
|
mCurrentState = STATE_SUSPEND;
|
||
|
|
mTargetState = STATE_SUSPEND;
|
||
|
|
} else {
|
||
|
|
release(false);
|
||
|
|
mCurrentState = STATE_SUSPEND_UNSUPPORTED;
|
||
|
|
Log.w(TAG, "Unable to suspend video. Release MediaPlayer.");
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
public void resume() {
|
||
|
|
if (mSurfaceHolder == null && mCurrentState == STATE_SUSPEND){
|
||
|
|
mTargetState = STATE_RESUME;
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
if (mMediaPlayer != null && mCurrentState == STATE_SUSPEND) {
|
||
|
|
if (mMediaPlayer.resume()) {
|
||
|
|
mCurrentState = mStateWhenSuspended;
|
||
|
|
mTargetState = mStateWhenSuspended;
|
||
|
|
} else {
|
||
|
|
Log.w(TAG, "Unable to resume video");
|
||
|
|
}
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
if (mCurrentState == STATE_SUSPEND_UNSUPPORTED) {
|
||
|
|
openVideo();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// cache duration as mDuration for faster access
|
||
|
|
public int getDuration() {
|
||
|
|
if (isInPlaybackState()) {
|
||
|
|
if (mDuration > 0) {
|
||
|
|
return mDuration;
|
||
|
|
}
|
||
|
|
mDuration = mMediaPlayer.getDuration();
|
||
|
|
return mDuration;
|
||
|
|
}
|
||
|
|
mDuration = -1;
|
||
|
|
return mDuration;
|
||
|
|
}
|
||
|
|
|
||
|
|
public int getCurrentPosition() {
|
||
|
|
if (isInPlaybackState()) {
|
||
|
|
return mMediaPlayer.getCurrentPosition();
|
||
|
|
}
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
public void seekTo(int msec) {
|
||
|
|
if (isInPlaybackState()) {
|
||
|
|
mMediaPlayer.seekTo(msec);
|
||
|
|
mSeekWhenPrepared = 0;
|
||
|
|
} else {
|
||
|
|
mSeekWhenPrepared = msec;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
public boolean isPlaying() {
|
||
|
|
return isInPlaybackState() && mMediaPlayer.isPlaying();
|
||
|
|
}
|
||
|
|
|
||
|
|
public int getBufferPercentage() {
|
||
|
|
if (mMediaPlayer != null) {
|
||
|
|
return mCurrentBufferPercentage;
|
||
|
|
}
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
private boolean isInPlaybackState() {
|
||
|
|
return (mMediaPlayer != null &&
|
||
|
|
mCurrentState != STATE_ERROR &&
|
||
|
|
mCurrentState != STATE_IDLE &&
|
||
|
|
mCurrentState != STATE_PREPARING);
|
||
|
|
}
|
||
|
|
|
||
|
|
public boolean canPause() {
|
||
|
|
return mCanPause;
|
||
|
|
}
|
||
|
|
|
||
|
|
public boolean canSeekBackward() {
|
||
|
|
return mCanSeekBack;
|
||
|
|
}
|
||
|
|
|
||
|
|
public boolean canSeekForward() {
|
||
|
|
return mCanSeekForward;
|
||
|
|
}
|
||
|
|
}
|