Java tutorial
/******************************************************************************* * This file is part of RedReader. * * RedReader is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * RedReader is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with RedReader. If not, see <http://www.gnu.org/licenses/>. ******************************************************************************/ package org.quantumbadger.redreader.activities; import android.content.DialogInterface; import android.content.Intent; import android.os.Bundle; import android.os.Handler; import android.os.Looper; import android.text.InputType; import android.view.KeyEvent; import android.view.View; import android.widget.ScrollView; import com.actionbarsherlock.view.Menu; import com.actionbarsherlock.view.MenuItem; import org.apache.http.StatusLine; import org.holoeverywhere.ArrayAdapter; import org.holoeverywhere.app.Activity; import org.holoeverywhere.app.ProgressDialog; import org.holoeverywhere.widget.AdapterView; import org.holoeverywhere.widget.EditText; import org.holoeverywhere.widget.LinearLayout; import org.holoeverywhere.widget.Spinner; import org.quantumbadger.redreader.R; import org.quantumbadger.redreader.account.RedditAccount; import org.quantumbadger.redreader.account.RedditAccountManager; import org.quantumbadger.redreader.cache.CacheManager; import org.quantumbadger.redreader.cache.RequestFailureType; import org.quantumbadger.redreader.common.General; import org.quantumbadger.redreader.common.PrefsUtility; import org.quantumbadger.redreader.common.RRError; import org.quantumbadger.redreader.fragments.MarkdownPreviewDialog; import org.quantumbadger.redreader.reddit.APIResponseHandler; import org.quantumbadger.redreader.reddit.RedditAPI; import java.util.ArrayList; // TODO save draft as static var (as in comments) public class PostSubmitActivity extends Activity { private Spinner typeSpinner, usernameSpinner; private EditText subredditEdit, titleEdit, textEdit; private static final String[] postTypes = { "Link", "Self" }; @Override protected void onCreate(Bundle savedInstanceState) { PrefsUtility.applyTheme(this); super.onCreate(savedInstanceState); final LinearLayout layout = (LinearLayout) getLayoutInflater().inflate(R.layout.post_submit); typeSpinner = (Spinner) layout.findViewById(R.id.post_submit_type); usernameSpinner = (Spinner) layout.findViewById(R.id.post_submit_username); subredditEdit = (EditText) layout.findViewById(R.id.post_submit_subreddit); titleEdit = (EditText) layout.findViewById(R.id.post_submit_title); textEdit = (EditText) layout.findViewById(R.id.post_submit_body); final Intent intent = getIntent(); if (intent != null) { if (intent.hasExtra("subreddit")) { final String subreddit = intent.getStringExtra("subreddit"); if (subreddit != null && subreddit.length() > 0 && !subreddit.matches("/?(r/)?all/?") && subreddit.matches("/?(r/)?\\w+/?")) { subredditEdit.setText(subreddit); } } else if (intent.getAction().equalsIgnoreCase(Intent.ACTION_SEND) && intent.hasExtra(Intent.EXTRA_TEXT)) { final String url = intent.getStringExtra(Intent.EXTRA_TEXT); textEdit.setText(url); } } else if (savedInstanceState != null && savedInstanceState.containsKey("post_title")) { titleEdit.setText(savedInstanceState.getString("post_title")); textEdit.setText(savedInstanceState.getString("post_body")); subredditEdit.setText(savedInstanceState.getString("subreddit")); typeSpinner.setSelection(savedInstanceState.getInt("post_type")); } final ArrayList<RedditAccount> accounts = RedditAccountManager.getInstance(this).getAccounts(); final ArrayList<String> usernames = new ArrayList<String>(); for (RedditAccount account : accounts) { if (!account.isAnonymous()) { usernames.add(account.username); } } if (usernames.size() == 0) { General.quickToast(this, R.string.error_toast_notloggedin); finish(); } usernameSpinner.setAdapter(new ArrayAdapter<String>(this, android.R.layout.simple_list_item_1, usernames)); typeSpinner.setAdapter(new ArrayAdapter<String>(this, android.R.layout.simple_list_item_1, postTypes)); // TODO remove the duplicate code here setHint(); typeSpinner.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() { public void onItemSelected(AdapterView<?> parent, View view, int position, long id) { setHint(); } public void onNothingSelected(AdapterView<?> parent) { } }); final ScrollView sv = new ScrollView(this); sv.addView(layout); setContentView(sv); } private void setHint() { if (typeSpinner.getSelectedItem().equals("Link")) { textEdit.setHint("URL"); // TODO string textEdit.setInputType(InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_URI); textEdit.setSingleLine(true); } else { textEdit.setHint("Self Text"); // TODO string textEdit.setInputType(InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_LONG_MESSAGE | InputType.TYPE_TEXT_FLAG_MULTI_LINE); textEdit.setSingleLine(false); } } @Override protected void onSaveInstanceState(Bundle outState) { super.onSaveInstanceState(outState); outState.putString("post_title", titleEdit.getText().toString()); outState.putString("post_body", textEdit.getText().toString()); outState.putString("subreddit", subredditEdit.getText().toString()); outState.putInt("post_type", typeSpinner.getSelectedItemPosition()); } @Override public boolean onCreateOptionsMenu(Menu menu) { final MenuItem send = menu.add(R.string.comment_reply_send); send.setIcon(R.drawable.ic_action_send_dark); send.setShowAsAction(MenuItem.SHOW_AS_ACTION_ALWAYS); menu.add(R.string.comment_reply_preview); return true; } @Override public boolean onOptionsItemSelected(MenuItem item) { if (item.getTitle().equals(getString(R.string.comment_reply_send))) { final Intent captchaIntent = new Intent(this, CaptchaActivity.class); captchaIntent.putExtra("username", (String) usernameSpinner.getSelectedItem()); startActivityForResult(captchaIntent, 0); } else if (item.getTitle().equals(getString(R.string.comment_reply_preview))) { MarkdownPreviewDialog.newInstance(textEdit.getText().toString()).show(getSupportFragmentManager()); } return true; } @Override protected void onActivityResult(int requestCode, int resultCode, final Intent data) { super.onActivityResult(requestCode, resultCode, data); if (resultCode != RESULT_OK) return; final ProgressDialog progressDialog = new ProgressDialog(this); progressDialog.setTitle(getString(R.string.comment_reply_submitting_title)); progressDialog.setMessage(getString(R.string.comment_reply_submitting_message)); progressDialog.setIndeterminate(true); progressDialog.setCancelable(true); progressDialog.setCanceledOnTouchOutside(false); progressDialog.setOnCancelListener(new DialogInterface.OnCancelListener() { public void onCancel(final DialogInterface dialogInterface) { General.quickToast(PostSubmitActivity.this, getString(R.string.comment_reply_oncancel)); progressDialog.dismiss(); } }); progressDialog.setOnKeyListener(new DialogInterface.OnKeyListener() { public boolean onKey(final DialogInterface dialogInterface, final int keyCode, final KeyEvent keyEvent) { if (keyCode == KeyEvent.KEYCODE_BACK) { General.quickToast(PostSubmitActivity.this, getString(R.string.comment_reply_oncancel)); progressDialog.dismiss(); } return true; } }); final CacheManager cm = CacheManager.getInstance(this); final APIResponseHandler.ActionResponseHandler handler = new APIResponseHandler.ActionResponseHandler( this) { @Override protected void onSuccess() { new Handler(Looper.getMainLooper()).post(new Runnable() { public void run() { if (progressDialog.isShowing()) progressDialog.dismiss(); General.quickToast(PostSubmitActivity.this, getString(R.string.post_submit_done)); finish(); } }); } @Override protected void onCallbackException(Throwable t) { BugReportActivity.handleGlobalError(PostSubmitActivity.this, t); } @Override protected void onFailure(RequestFailureType type, Throwable t, StatusLine status, String readableMessage) { final RRError error = General.getGeneralErrorForFailure(context, type, t, status, null); new Handler(Looper.getMainLooper()).post(new Runnable() { public void run() { General.showResultDialog(PostSubmitActivity.this, error); if (progressDialog.isShowing()) progressDialog.dismiss(); } }); } @Override protected void onFailure(final APIFailureType type) { final RRError error = General.getGeneralErrorForFailure(context, type); new Handler(Looper.getMainLooper()).post(new Runnable() { public void run() { General.showResultDialog(PostSubmitActivity.this, error); if (progressDialog.isShowing()) progressDialog.dismiss(); } }); } }; final boolean is_self = !typeSpinner.getSelectedItem().equals("Link"); final RedditAccount selectedAccount = RedditAccountManager.getInstance(this) .getAccount((String) usernameSpinner.getSelectedItem()); String subreddit = subredditEdit.getText().toString(); final String title = titleEdit.getText().toString(); final String text = textEdit.getText().toString(); final String captchaId = data.getStringExtra("captchaId"); final String captchaText = data.getStringExtra("captchaText"); while (subreddit.startsWith("/")) subreddit = subreddit.substring(1); while (subreddit.startsWith("r/")) subreddit = subreddit.substring(2); while (subreddit.endsWith("/")) subreddit = subreddit.substring(0, subreddit.length() - 1); RedditAPI.submit(cm, handler, selectedAccount, is_self, subreddit, title, text, captchaId, captchaText, this); progressDialog.show(); } @Override public void onBackPressed() { if (General.onBackPressed()) super.onBackPressed(); } }