Android Open Source - android-full-screen-player My Player Activity

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License

The source code is released under:

MIT License

Java Source Code

package com.example.android.fullscreen;
/*from www .  j a  v  a2  s.c om*/
import android.annotation.TargetApi;
import android.app.Activity;
import android.media.AudioManager;
import android.media.MediaPlayer;
import android.media.MediaPlayer.OnBufferingUpdateListener;
import android.media.MediaPlayer.OnCompletionListener;
import android.media.MediaPlayer.OnPreparedListener;
import android.media.MediaPlayer.OnVideoSizeChangedListener;
import android.os.Build;
import android.os.Bundle;
import android.os.Handler;
import android.support.v4.app.NavUtils;
import android.util.Log;
import android.view.MenuItem;
import android.view.MotionEvent;
import android.view.SurfaceHolder;
import android.view.SurfaceView;
import android.view.View;
import android.widget.Toast;

import com.example.android.fullscreen.util.SystemUiHider;

/**
 * An example full-screen activity that shows and hides the system UI (i.e.
 * status bar and navigation/system bar) with user interaction.
 * 
 * @see SystemUiHider
 */
public class MyPlayerActivity extends Activity implements
    OnBufferingUpdateListener, OnCompletionListener, OnPreparedListener,
    OnVideoSizeChangedListener, SurfaceHolder.Callback {
  /**
   * Log tag.
   */
  private static final String LOG_TAG = MyPlayerActivity.class
      .getSimpleName();

  /**
   * Bundle key for content URL.
   */
  public static final String BUNDLE_KEY_CONTENT_URL = "bundle_content_url";

  /**
   * Whether or not the system UI should be auto-hidden after
   * {@link #AUTO_HIDE_DELAY_MILLIS} milliseconds.
   */
  private static final boolean AUTO_HIDE = true;

  /**
   * If {@link #AUTO_HIDE} is set, the number of milliseconds to wait after
   * user interaction before hiding the system UI.
   */
  private static final int AUTO_HIDE_DELAY_MILLIS = 3000;

  /**
   * If set, will toggle the system UI visibility upon interaction. Otherwise,
   * will show the system UI visibility upon interaction.
   */
  private static final boolean TOGGLE_ON_CLICK = true;

  /**
   * The flags to pass to {@link SystemUiHider#getInstance}.
   */
  private static final int HIDER_FLAGS = SystemUiHider.FLAG_HIDE_NAVIGATION;

  /**
   * The instance of the {@link SystemUiHider} for this activity.
   */
  private SystemUiHider mSystemUiHider;

  /**
   * Content URL for playing.
   */
  private String mContentUrl = null;

  private int mVideoWidth;
  private int mVideoHeight;
  private MediaPlayer mMediaPlayer;
  private SurfaceView mPreview;
  private SurfaceHolder holder;
  private boolean mIsVideoSizeKnown = false;
  private boolean mIsVideoReadyToBePlayed = false;

  @SuppressWarnings("deprecation")
  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

    mContentUrl = getIntent().getStringExtra(BUNDLE_KEY_CONTENT_URL);
    Log.d(LOG_TAG, "onCreate() : Got content URL to play: " + mContentUrl);

    setContentView(R.layout.activity_my_player);
    setupActionBar();

    mPreview = (SurfaceView) findViewById(R.id.surface);
    holder = mPreview.getHolder();
    holder.addCallback(this);
    holder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS);

    final View controlsView = findViewById(R.id.fullscreen_content_controls);
    final View contentView = mPreview;

    // Set up an instance of SystemUiHider to control the system UI for
    // this activity.
    mSystemUiHider = SystemUiHider.getInstance(this, contentView,
        HIDER_FLAGS);
    mSystemUiHider.setup();
    mSystemUiHider
        .setOnVisibilityChangeListener(new SystemUiHider.OnVisibilityChangeListener() {
          // Cached values.
          int mControlsHeight;
          int mShortAnimTime;

          @Override
          @TargetApi(Build.VERSION_CODES.HONEYCOMB_MR2)
          public void onVisibilityChange(boolean visible) {
            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB_MR2) {
              // If the ViewPropertyAnimator API is available
              // (Honeycomb MR2 and later), use it to animate the
              // in-layout UI controls at the bottom of the
              // screen.
              if (mControlsHeight == 0) {
                mControlsHeight = controlsView.getHeight();
              }
              if (mShortAnimTime == 0) {
                mShortAnimTime = getResources().getInteger(
                    android.R.integer.config_shortAnimTime);
              }
              controlsView
                  .animate()
                  .translationY(visible ? 0 : mControlsHeight)
                  .setDuration(mShortAnimTime);
            } else {
              // If the ViewPropertyAnimator APIs aren't
              // available, simply show or hide the in-layout UI
              // controls.
              controlsView.setVisibility(visible ? View.VISIBLE
                  : View.GONE);
            }

            if (visible && AUTO_HIDE) {
              // Schedule a hide().
              delayedHide(AUTO_HIDE_DELAY_MILLIS);
            }
          }
        });

    // Set up the user interaction to manually show or hide the system UI.
    contentView.setOnClickListener(new View.OnClickListener() {
      @Override
      public void onClick(View view) {
        if (TOGGLE_ON_CLICK) {
          mSystemUiHider.toggle();
        } else {
          mSystemUiHider.show();
        }
      }
    });

    // Upon interacting with UI controls, delay any scheduled hide()
    // operations to prevent the jarring behavior of controls going away
    // while interacting with the UI.
    findViewById(R.id.dummy_button).setOnTouchListener(
        mDelayHideTouchListener);
  }

  @Override
  protected void onPause() {
    super.onPause();
    releaseMediaPlayer();
    doCleanUp();
  }

  @Override
  protected void onDestroy() {
    super.onDestroy();
    releaseMediaPlayer();
    doCleanUp();
  }

  @Override
  protected void onPostCreate(Bundle savedInstanceState) {
    super.onPostCreate(savedInstanceState);

    // Trigger the initial hide() shortly after the activity has been
    // created, to briefly hint to the user that UI controls
    // are available.
    delayedHide(100);
  }

  /**
   * Set up the {@link android.app.ActionBar}, if the API is available.
   */
  @TargetApi(Build.VERSION_CODES.HONEYCOMB)
  private void setupActionBar() {
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) {
      // Show the Up button in the action bar.
      getActionBar().setDisplayHomeAsUpEnabled(true);
    }
  }

  @Override
  public boolean onOptionsItemSelected(MenuItem item) {
    switch (item.getItemId()) {
    case android.R.id.home:
      // This ID represents the Home or Up button. In the case of this
      // activity, the Up button is shown. Use NavUtils to allow users
      // to navigate up one level in the application structure. For
      // more details, see the Navigation pattern on Android Design:
      //
      // http://developer.android.com/design/patterns/navigation.html#up-vs-back
      //
      // TODO: If Settings has multiple levels, Up should navigate up
      // that hierarchy.
      NavUtils.navigateUpFromSameTask(this);
      return true;
    }
    return super.onOptionsItemSelected(item);
  }

  /**
   * Touch listener to use for in-layout UI controls to delay hiding the
   * system UI. This is to prevent the jarring behavior of controls going away
   * while interacting with activity UI.
   */
  View.OnTouchListener mDelayHideTouchListener = new View.OnTouchListener() {
    @Override
    public boolean onTouch(View view, MotionEvent motionEvent) {
      if (AUTO_HIDE) {
        delayedHide(AUTO_HIDE_DELAY_MILLIS);
      }
      return false;
    }
  };

  Handler mHideHandler = new Handler();
  Runnable mHideRunnable = new Runnable() {
    @Override
    public void run() {
      mSystemUiHider.hide();
    }
  };

  /**
   * Schedules a call to hide() in [delay] milliseconds, canceling any
   * previously scheduled calls.
   */
  private void delayedHide(int delayMillis) {
    mHideHandler.removeCallbacks(mHideRunnable);
    mHideHandler.postDelayed(mHideRunnable, delayMillis);
  }

  @Override
  public void surfaceChanged(SurfaceHolder holder, int format, int width,
      int height) {
    Log.d(LOG_TAG, "surfaceChanged called");

  }

  @Override
  public void surfaceCreated(SurfaceHolder holder) {
    Log.d(LOG_TAG, "surfaceCreated called");
    playVideo();

  }

  @Override
  public void surfaceDestroyed(SurfaceHolder holder) {
    Log.d(LOG_TAG, "surfaceDestroyed called");

  }

  @Override
  public void onVideoSizeChanged(MediaPlayer mp, int width, int height) {
    Log.v(LOG_TAG, "onVideoSizeChanged called");
    if (width == 0 || height == 0) {
      Log.e(LOG_TAG, "invalid video width(" + width + ") or height("
          + height + ")");
      return;
    }
    mIsVideoSizeKnown = true;
    mVideoWidth = width;
    mVideoHeight = height;
    if (mIsVideoReadyToBePlayed && mIsVideoSizeKnown) {
      startVideoPlayback();
    }

  }

  @Override
  public void onPrepared(MediaPlayer mp) {
    Log.d(LOG_TAG, "onPrepared called");
    mIsVideoReadyToBePlayed = true;
    if (mIsVideoReadyToBePlayed && mIsVideoSizeKnown) {
      startVideoPlayback();
    }

  }

  @Override
  public void onCompletion(MediaPlayer mp) {
    Log.d(LOG_TAG, "onCompletion called");
    Toast.makeText(this, "Playback finished.", Toast.LENGTH_SHORT).show();
    // Exit view.
    finish();

  }

  @Override
  public void onBufferingUpdate(MediaPlayer mp, int percent) {
    Log.d(LOG_TAG, "onBufferingUpdate percent:" + percent);

  }

  //
  // Private methods for dealing with player
  //

  private void releaseMediaPlayer() {
    if (mMediaPlayer != null) {
      mMediaPlayer.release();
      mMediaPlayer = null;
    }
  }

  private void doCleanUp() {
    mVideoWidth = 0;
    mVideoHeight = 0;
    mIsVideoReadyToBePlayed = false;
    mIsVideoSizeKnown = false;
  }

  private void startVideoPlayback() {
    Log.v(LOG_TAG, "startVideoPlayback");
    holder.setFixedSize(mVideoWidth, mVideoHeight);
    mMediaPlayer.start();
  }

  private void playVideo() {
    doCleanUp();
    try {

      // Create a new media player and set the listeners
      mMediaPlayer = new MediaPlayer();
      mMediaPlayer.setDataSource(mContentUrl);
      mMediaPlayer.setDisplay(holder);
      mMediaPlayer.prepare();
      mMediaPlayer.setOnBufferingUpdateListener(this);
      mMediaPlayer.setOnCompletionListener(this);
      mMediaPlayer.setOnPreparedListener(this);
      mMediaPlayer.setOnVideoSizeChangedListener(this);
      mMediaPlayer.setAudioStreamType(AudioManager.STREAM_MUSIC);

    } catch (Exception e) {
      Log.e(LOG_TAG, "error: " + e.getMessage(), e);
    }
  }
}

Java Source Code List

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