保持している static が初期化された場合、再度ログインが必要。
jp.s6131.sampleApp.SampleHttpClient.java
public class SampleHttpClient {
private static DefaultHttpClient httpClient = new DefaultHttpClient();
private SampleHttpClient() {}
public static DefaultHttpClient getInstance() {
return httpClient;
}
}
メイン画面にテキストボックスとボタンを配置、クリックで AsyncHttpRequest 実行、
同クラスから呼び出す setResult メソッドで GridView に結果を表示。
public class HelloAndroidActivity extends Activity {
private static String TAG = "sampleApp";
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
Log.i(TAG, "onCreate");
setContentView(R.layout.main);
}
public void onClick(View v) {
EditText searchText = (EditText) findViewById(id.search_text);
Uri.Builder builder = new Uri.Builder();
AsyncHttpRequest task = new AsyncHttpRequest(
this,
searchText.getText().toString()
);
task.execute(builder);
}
public void setResult(Code[] resList) {
if (resList != null && resList.length != 0) {
List<String> resultList = new ArrayList<String>();
for (Code res : resList) {
resultList.add((res.id == null ? "null" : res.id));
resultList.add((res.code == null ? "null" : res.code));
resultList.add((res.name == null ? "null" : res.name));
}
ArrayAdapter<String> arrayAdapter = new ArrayAdapter<String>(this, R.layout.rowdata, resultList);
GridView gridTable = (GridView) findViewById(id.grid_table);
gridTable.setAdapter(arrayAdapter);
}
}
}
public class AsyncHttpRequest extends AsyncTask<Uri.Builder, Void, Code[]> {
private HelloAndroidActivity mainActivity;
private String searchText;
public AsyncHttpRequest(HelloAndroidActivity activity, String searchText) {
this.mainActivity = activity;
this.searchText = searchText;
}
@Override
protected Code[] doInBackground(Uri.Builder... builder) {
RestTemplate template = new RestTemplate();
template.getMessageConverters().add(new MappingJackson2HttpMessageConverter());
DefaultHttpClient httpClient = SampleHttpClient.getInstance();
template.setRequestFactory(new HttpComponentsClientHttpRequestFactory(httpClient));
String url = "http://10.0.2.2/sample/sampleList?cd=" + searchText;
try {
ResponseEntity<Code[]> responseEntity = template.exchange(url, HttpMethod.GET, null, Code[].class);
Code[] resList = responseEntity.getBody();
return resList;
} catch (Exception e) {
Log.d("Error", e.toString());
}
return null;
}
@Override
protected void onPostExecute(Code[] resList) {
if (resList != null && resList.length != 0) {
if ("-1".equals(resList[0].getId())) {
Intent intent = new Intent(mainActivity.getApplicationContext(), LoginActivity.class);
mainActivity.startActivity(intent);
return;
}
}
mainActivity.setResult(resList);
}
}
public class LoginActivity extends Activity {
private static String TAG = "sampleApp";
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
Log.i(TAG, "onCreate");
setContentView(R.layout.login);
}
public void onClick(View v) {
EditText useridText = (EditText) findViewById(id.userid_text);
EditText passwordText = (EditText) findViewById(id.password_text);
Uri.Builder builder = new Uri.Builder();
AsyncLoginRequest task = new AsyncLoginRequest(
this,
useridText.getText().toString(),
passwordText.getText().toString()
);
task.execute(builder);
}
}
とりあえず無条件に HelloAndroidActivity に遷移
jp.s6131.sampleApp.AsyncLoginRequest.java
public class AsyncLoginRequest extends AsyncTask<Uri.Builder, Void, String> {
private LoginActivity mainActivity;
String userId;
String password;
public AsyncLoginRequest(LoginActivity mainActivity, String userId, String password) {
this.mainActivity = mainActivity;
this.userId = userId;
this.password = password;
}
@Override
protected String doInBackground(Uri.Builder... builder) {
try {
URI url = new URI( "http://10.0.2.2/sample/j_spring_security_check" );
HttpPost request = new HttpPost( url );
List<NameValuePair> post_params = new ArrayList<NameValuePair>();
post_params.add(new BasicNameValuePair("j_username", userId));
post_params.add(new BasicNameValuePair("j_password", password));
request.setEntity(new UrlEncodedFormEntity(post_params, "UTF-8"));
DefaultHttpClient httpClient = SampleHttpClient.getInstance();
HttpResponse response = httpClient.execute(request);
return null;
}catch (Exception e){
Log.d("Error", e.toString());
}
return null;
}
@Override
protected void onPostExecute(String result) {
Intent intent = new Intent(mainActivity.getApplicationContext(), HelloAndroidActivity.class);
mainActivity.startActivity(intent);
}
}
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
>
<EditText
android:id="@+id/search_text"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:inputType="text">
<requestFocus />
</EditText>
<Button
android:id="@+id/get_json_button"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:onClick="onClick"
android:text="@string/json" />
<GridView
android:id="@+id/grid_table"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:numColumns="3" >
</GridView>
</LinearLayout>
res/layout/rowdata.xml
<?xml version="1.0" encoding="utf-8"?>
<TextView xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
>
</TextView>
ログイン画面
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
>
<TextView
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="@string/userid"
/>
<EditText
android:id="@+id/userid_text"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:inputType="textPersonName"
>
<requestFocus />
</EditText>
<TextView
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="@string/password"
/>
<EditText
android:id="@+id/password_text"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:inputType="textPassword"
/>
<Button
android:id="@+id/login_button"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:onClick="onClick"
android:text="@string/login"
/>
</LinearLayout>
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="jp.s6131.sampleApp" android:versionCode="1" android:versionName="0.0.1-SNAPSHOT">
<uses-sdk android:minSdkVersion="11"
android:targetSdkVersion="19" />
<uses-permission android:name="android.permission.INTERNET" />
<application android:icon="@drawable/icon" android:label="@string/app_name">
<activity android:name=".HelloAndroidActivity">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<activity android:name=".LoginActivity"
android:label="@string/app_name"
android:launchMode="singleTask"
android:noHistory="true">
</activity>
</application>
</manifest>
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