Android Open Source - SimpleTwitterClient Compose Tweet Activity

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Back to project page SimpleTwitterClient.
License

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

package com.nickrasband.simpletwitterclient;
//from  ww  w.  j  ava2 s.c o m
import org.json.JSONException;
import org.json.JSONObject;

import android.app.Activity;
import android.content.Intent;
import android.graphics.Color;
import android.os.Bundle;
import android.text.Editable;
import android.text.TextWatcher;
import android.view.Menu;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.ImageView;
import android.widget.TextView;
import android.widget.Toast;

import com.loopj.android.http.JsonHttpResponseHandler;
import com.nickrasband.simpletwitterclient.models.User;
import com.nostra13.universalimageloader.core.ImageLoader;

public class ComposeTweetActivity extends Activity {

  private static final int CHARACTER_LIMIT = 120;
  private Button btnSendTweet;
  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_compose_tweet);
    
    btnSendTweet = (Button)findViewById(R.id.btnSendTweet);
    
    Intent data = getIntent();
    User user = (User)data.getParcelableExtra("current_user");
    
    // Display the current user's profile pic.
    ImageView ivUserPic = (ImageView)findViewById(R.id.ivUserPic);
    ImageLoader.getInstance().displayImage(user.getProfilePicUrl(), ivUserPic);
    
    // Fill in the user's name and screen name.
    TextView tvName = (TextView)findViewById(R.id.tvName);
    TextView tvScreenName = (TextView)findViewById(R.id.tvScreenName);
    tvName.setText(user.getName());
    if (user.getScreenName() != "") {
      tvScreenName.setText("@" + user.getScreenName());
    }
    
    EditText etComposeTweet = (EditText)findViewById(R.id.etComposeTweet);
    etComposeTweet.addTextChangedListener(new TextWatcher() {
      @Override
      public void onTextChanged(CharSequence s, int start, int before, int count) {
        TextView tvCharacterLimit = (TextView)findViewById(R.id.tvCharacterLimit);
        int charCount = s.length();
        tvCharacterLimit.setText("Characters: " + charCount);
        if (charCount > CHARACTER_LIMIT) {
          btnSendTweet.setEnabled(false);
          tvCharacterLimit.setTextColor(Color.RED);
        }
        else {
          btnSendTweet.setEnabled(true);
          tvCharacterLimit.setTextColor(Color.BLACK);
        }
      }
      
      @Override
      public void beforeTextChanged(CharSequence s, int start, int count,
          int after) {
      }
      
      @Override
      public void afterTextChanged(Editable s) {
        
      }
    });
  }

  @Override
  public boolean onCreateOptionsMenu(Menu menu) {
    // Inflate the menu; this adds items to the action bar if it is present.
    getMenuInflater().inflate(R.menu.compose_tweet, menu);
    return true;
  }
  
  public void handleTweet(View v) {
    
    switch(v.getId()) {
    case R.id.btnCancel:
      Intent i = new Intent();
      setResult(RESULT_CANCELED, i);
      finish();
      break;
    case R.id.btnSendTweet:
      // Extract the text from the EditText.
      EditText etComposeTweet = (EditText)findViewById(R.id.etComposeTweet);
      final String message = etComposeTweet.getText().toString();
      SimpleTwitterClientApp.getRestClient().postTweet(message, new JsonHttpResponseHandler() {
        @Override
        public void onSuccess(JSONObject response) {
          Intent i = new Intent();
          i.putExtra("message", message);
          try {
            String tweetTimestamp = response.getString("created_at");
            i.putExtra("tweet_timestamp", tweetTimestamp);
          }
          catch (JSONException e) {
            i.putExtra("tweet_timestamp", "");
          }
          
          try {
            String tweetId = response.getString("id_str");
            i.putExtra("tweet_id", tweetId);
          }
          catch (JSONException e) {
            i.putExtra("tweet_id", 0);
          }
          
          // Try to get the user object.
          try {
            i.putExtra("current_user", new User(response.getJSONObject("user")));
          }
          catch (JSONException e) {
            i.putExtra("current_user", new User(new JSONObject()));
          }
          setResult(RESULT_OK, i);
          finish();
        }
        
        public void onFailure(Throwable e, JSONObject error) {
          Toast.makeText(getBaseContext(), R.string.failed_to_tweet, Toast.LENGTH_SHORT).show();
          Intent i = new Intent();
          setResult(RESULT_CANCELED, i);
          finish();
        }
      });
      break;
    }
  }

}
Java Source Code List
