Android Open Source - Test-SimpleTwitterClient Post Tweet Dialog

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Java Source Code

package com.example.Twitter_Android.Fragments.Dialogs;
//  w w w  .  j av  a  2 s. c  o  m
import android.app.DialogFragment;
import android.os.Bundle;
import android.text.Editable;
import android.text.TextWatcher;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;
import com.example.Twitter_Android.AsynkTasks.TaskPostTweet;
import com.example.Twitter_Android.Fragments.Adapters.TimelineAdapter;
import com.example.Twitter_Android.Logic.DataCache;
import com.example.Twitter_Android.Logic.Person;
import com.example.Twitter_Android.Logic.Tweet;
import com.example.Twitter_Android.R;

import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import java.util.concurrent.Executors;

public class PostTweetDialog extends DialogFragment {
  private static TimelineAdapter<Tweet> adapter;

  public static final String TAG = "WRITE_TWEET_DIALOG_TAG";

  private PostTweetDialog() {
    setStyle(DialogFragment.STYLE_NORMAL, android.R.style.Theme_Holo);
  }

  public static PostTweetDialog newInstance(TimelineAdapter<Tweet> a) {
    adapter = a;
    return new PostTweetDialog();
  }


  @Override
  public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
    super.onCreateView(inflater, container, savedInstanceState);
    View v = inflater.inflate(R.layout.dialog_post_tweet, container, false);

    final TextView tweetLength = (TextView) v.findViewById(R.id.dialog_tweet_length);
    final EditText tweetText = (EditText) v.findViewById(R.id.dialog_tweet_text);
    tweetText.addTextChangedListener(new TextWatcher() {
      @Override
      public void beforeTextChanged(CharSequence s, int start, int count, int after) {

      }

      @Override
      public void onTextChanged(CharSequence s, int start, int before, int count) {

      }

      @Override
      public void afterTextChanged(Editable s) {
        int length = s.length();
        tweetLength.setText("Tweet length: " + length + " / " + (140 - length) + " symbols left");
      }
    });

    final Button btnCancel = (Button) v.findViewById(R.id.button_cancel);
    btnCancel.setOnClickListener(new View.OnClickListener() {
      @Override
      public void onClick(View v) {
        dismiss();
      }
    });

    final Button btnPostTweet = (Button) v.findViewById(R.id.button_post_tweet);
    btnPostTweet.setOnClickListener(new View.OnClickListener() {
      @Override
      public void onClick(View v) {
        final String text = tweetText.getText().toString();
        if (text.length() > 0) {
          addTweetInList(text);
          TaskPostTweet task = new TaskPostTweet(getActivity(), adapter);
          task.executeOnExecutor(Executors.newCachedThreadPool(), text);
          dismiss();
        }
      }
    });
    return v;
  }

  private void addTweetInList(String text) {
    final DataCache cache = DataCache.getInstance();
    final long myID = cache.getConnectedUserID();
    final Person person = cache.getPerson(myID);
    final Tweet newTweet = new Tweet(text, new Date().toString(), null, null, person, null, 100000);
    final List<Tweet> tmp = new ArrayList<>();
    tmp.add(newTweet);
    adapter.addItemsToTop(tmp);
  }
}

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