Android Open Source - opentok-android-sdk-samples Subscriber Control Fragment

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License

The source code is released under:
Apache License
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Java Source Code

package com.opentok.android.demo.ui.fragments;
//from w ww  .  j  a v a  2 s .  c o m
import com.opentok.android.demo.opentoksamples.R;
import com.opentok.android.demo.opentoksamples.UIActivity;

import android.app.Activity;
import android.app.Fragment;
import android.content.res.Configuration;
import android.os.Bundle;
import android.util.DisplayMetrics;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.view.animation.AlphaAnimation;
import android.widget.ImageButton;
import android.widget.RelativeLayout;
import android.widget.TextView;

public class SubscriberControlFragment extends Fragment implements
    View.OnClickListener {

  private static final String LOGTAG = "demo-UI-sub-control-fragment";

  private boolean mSubscriberWidgetVisible = false;
  private ImageButton mSubscriberMute;
  private TextView mSubscriberName;
  private RelativeLayout mSubContainer;

  // Animation constants
  private static final int ANIMATION_DURATION = 500;
  private static final int SUBSCRIBER_CONTROLS_DURATION = 7000;

  private SubscriberCallbacks mCallbacks = sOpenTokCallbacks;
  private UIActivity openTokActivity;

  public interface SubscriberCallbacks {
    public void onMuteSubscriber();
  }

  private static SubscriberCallbacks sOpenTokCallbacks = new SubscriberCallbacks() {

    @Override
    public void onMuteSubscriber() {
      return;
    }

  };

  @Override
  public void onAttach(Activity activity) {
    super.onAttach(activity);
    Log.i(LOGTAG, "On attach Subscriber control fragment");
    openTokActivity = (UIActivity) activity;
    if (!(activity instanceof SubscriberCallbacks)) {
      throw new IllegalStateException(
          "Activity must implement fragment's callback");
    }

    mCallbacks = (SubscriberCallbacks) activity;

  }

  @Override
  public void onActivityCreated(Bundle savedInstanceState) {
    super.onActivityCreated(savedInstanceState);
  }

  @Override
  public View onCreateView(LayoutInflater inflater, ViewGroup container,
      Bundle savedInstanceState) {

    View rootView = inflater.inflate(R.layout.layout_fragment_sub_control,
        container, false);

    mSubContainer = (RelativeLayout) openTokActivity
        .findViewById(R.id.fragment_sub_container);

    showSubscriberWidget(mSubscriberWidgetVisible, false);

    mSubscriberMute = (ImageButton) rootView
        .findViewById(R.id.muteSubscriber);
    mSubscriberMute.setOnClickListener(this);

    mSubscriberName = (TextView) rootView.findViewById(R.id.subscriberName);

    if (openTokActivity.getResources().getConfiguration().orientation == Configuration.ORIENTATION_LANDSCAPE) {
      RelativeLayout.LayoutParams params = (RelativeLayout.LayoutParams) container
          .getLayoutParams();

      DisplayMetrics metrics = new DisplayMetrics();
      openTokActivity.getWindowManager().getDefaultDisplay()
          .getMetrics(metrics);

      params.width = metrics.widthPixels - openTokActivity.dpToPx(48);
      container.setLayoutParams(params);
    }

    return rootView;
  }

  @Override
  public void onStart() {
    super.onStart();
  }

  @Override
  public void onResume() {
    super.onResume();
  }

  @Override
  public void onPause() {
    super.onPause();
  }

  @Override
  public void onStop() {
    super.onStop();
  }

  @Override
  public void onDestroyView() {
    super.onDestroyView();
  }

  @Override
  public void onDestroy() {
    super.onDestroy();
  }

  @Override
  public void onDetach() {
    super.onDetach();

    Log.i(LOGTAG, "On detach Subscriber control fragment");
    mCallbacks = sOpenTokCallbacks;
  }

  @Override
  public void onClick(View v) {
    switch (v.getId()) {
    case R.id.muteSubscriber:
      muteSubscriber();
      break;
    }
  }

  private Runnable mSubscriberWidgetTimerTask = new Runnable() {
    @Override
    public void run() {
      showSubscriberWidget(false);
    }
  };

  public void showSubscriberWidget(boolean show) {
    showSubscriberWidget(show, true);
  }

  private void showSubscriberWidget(boolean show, boolean animate) {
    mSubContainer.clearAnimation();
    mSubscriberWidgetVisible = show;
    float dest = show ? 1.0f : 0.0f;
    AlphaAnimation aa = new AlphaAnimation(1.0f - dest, dest);
    aa.setDuration(animate ? ANIMATION_DURATION : 1);
    aa.setFillAfter(true);
    mSubContainer.startAnimation(aa);

    if (show) {
      mSubContainer.setVisibility(View.VISIBLE);
    } else {
      mSubContainer.setVisibility(View.GONE);
    }

  }

  public void subscriberClick() {
    if (!mSubscriberWidgetVisible) {
      showSubscriberWidget(true);
    } else {
      showSubscriberWidget(false);
    }

    initSubscriberUI();
  }

  public void muteSubscriber() {
    mCallbacks.onMuteSubscriber();

    mSubscriberMute.setImageResource(openTokActivity.getmSubscriber()
        .getSubscribeToAudio() ? R.drawable.unmute_sub
        : R.drawable.mute_sub);
  }

  public void initSubscriberUI() {
    openTokActivity.getmHandler().removeCallbacks(
        mSubscriberWidgetTimerTask);
    openTokActivity.getmHandler().postDelayed(mSubscriberWidgetTimerTask,
        SUBSCRIBER_CONTROLS_DURATION);
    mSubscriberName.setText(openTokActivity.getmSubscriber().getStream()
        .getName());
    mSubscriberMute.setImageResource(openTokActivity.getmSubscriber()
        .getSubscribeToAudio() ? R.drawable.unmute_sub
        : R.drawable.mute_sub);
  }

}
Java Source Code List
