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MainActivity.java
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MainActivity.java
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/*
* Copyright (C) 2016 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.example.android.datafrominternet;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.view.Menu;
import android.view.MenuItem;
import android.widget.EditText;
import android.widget.TextView;
import com.example.android.datafrominternet.utilities.NetworkUtils;
import java.io.IOException;
import java.net.URL;
public class MainActivity extends AppCompatActivity {
private EditText mSearchBoxEditText;
private TextView mUrlDisplayTextView;
private TextView mSearchResultsTextView;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
mSearchBoxEditText = (EditText) findViewById(R.id.et_search_box);
mUrlDisplayTextView = (TextView) findViewById(R.id.tv_url_display);
mSearchResultsTextView = (TextView) findViewById(R.id.tv_github_search_results_json);
}
/**
* This method retrieves the search text from the EditText, constructs
* the URL (using {@link NetworkUtils}) for the github repository you'd like to find, displays
* that URL in a TextView, and finally fires off an AsyncTask to perform the GET request using
* our (not yet created) {@link GithubQueryTask}
*/
private void makeGithubSearchQuery() {
String githubQuery = mSearchBoxEditText.getText().toString();
URL githubSearchUrl = NetworkUtils.buildUrl(githubQuery);
mUrlDisplayTextView.setText(githubSearchUrl.toString());
// COMPLETED (2) Call getResponseFromHttpUrl and display the results in mSearchResultsTextView
// COMPLETED (3) Surround the call to getResponseFromHttpUrl with a try / catch block to catch an IO Exception
String githubSearchResults = null;
try {
githubSearchResults = NetworkUtils.getResponseFromHttpUrl(githubSearchUrl);
mSearchResultsTextView.setText(githubSearchResults);
} catch (IOException e) {
e.printStackTrace();
}
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
getMenuInflater().inflate(R.menu.main, menu);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
int itemThatWasClickedId = item.getItemId();
if (itemThatWasClickedId == R.id.action_search) {
makeGithubSearchQuery();
return true;
}
return super.onOptionsItemSelected(item);
}
}