Android Open Source - utwitterapi Edit A P I Dialog Fragment

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License

The source code is released under:
GNU General Public License
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Java Source Code

package org.mariotaku.utwitterapi.fragment;
/* w w w  .j  a v a2s. co  m*/
import org.mariotaku.utwitterapi.Constants;
import org.mariotaku.utwitterapi.R;

import android.annotation.SuppressLint;
import android.app.AlertDialog;
import android.app.Dialog;
import android.app.DialogFragment;
import android.content.Context;
import android.content.DialogInterface;
import android.content.DialogInterface.OnClickListener;
import android.content.DialogInterface.OnShowListener;
import android.content.SharedPreferences;
import android.os.Bundle;
import android.text.Editable;
import android.text.TextUtils;
import android.text.TextWatcher;
import android.view.LayoutInflater;
import android.view.View;
import android.widget.Button;
import android.widget.CheckBox;
import android.widget.CompoundButton;
import android.widget.CompoundButton.OnCheckedChangeListener;
import android.widget.EditText;

public class EditAPIDialogFragment extends DialogFragment implements Constants, OnShowListener, TextWatcher,
    OnClickListener, OnCheckedChangeListener {

  private EditText mEditAPIAddress, mEditIPAddress;
  private CheckBox mUseAPIToSignin;
  private View mUseAPIToSigninNotice;
  private View mSetAPINotice;

  @Override
  public void afterTextChanged(final Editable s) {

  }

  @Override
  public void beforeTextChanged(final CharSequence s, final int start, final int count, final int after) {

  }

  @Override
  public void onCheckedChanged(final CompoundButton buttonView, final boolean isChecked) {
    updateNotice();
  }

  @SuppressLint("WorldReadableFiles")
  @Override
  public void onClick(final DialogInterface dialog, final int which) {
    if (mEditAPIAddress == null || mEditIPAddress == null || TextUtils.isEmpty(mEditAPIAddress.getText())) return;
    final CharSequence apiAddress = mEditAPIAddress.getText();
    final CharSequence ipAddress = mEditIPAddress.getText();
    final Context context = getActivity();
    @SuppressWarnings("deprecation")
    final SharedPreferences prefs = context.getSharedPreferences(SHARED_PREFERENCE_NAME_PREFERENCES,
        Context.MODE_WORLD_READABLE);
    final SharedPreferences.Editor editor = prefs.edit();
    editor.putString(KEY_API_ADDRESS, apiAddress != null ? apiAddress.toString() : null);
    editor.putString(KEY_IP_ADDRESS, ipAddress != null ? ipAddress.toString() : null);
    editor.putBoolean(KEY_USE_API_TO_SIGN_IN, mUseAPIToSignin.isChecked());
    editor.apply();
  }

  @SuppressLint("WorldReadableFiles")
  @Override
  public Dialog onCreateDialog(final Bundle savedInstanceState) {
    final Context context = getActivity();
    @SuppressWarnings("deprecation")
    final SharedPreferences prefs = context.getSharedPreferences(SHARED_PREFERENCE_NAME_PREFERENCES,
        Context.MODE_WORLD_READABLE);
    final View view = LayoutInflater.from(context).inflate(R.layout.dialog_edit_api, null);
    mEditAPIAddress = (EditText) view.findViewById(R.id.edit_api_address);
    mEditIPAddress = (EditText) view.findViewById(R.id.edit_ip_address);
    mUseAPIToSigninNotice = view.findViewById(R.id.use_api_to_sign_in_notice);
    mSetAPINotice = view.findViewById(R.id.set_api_notice);
    mUseAPIToSignin = (CheckBox) view.findViewById(R.id.use_api_to_sign_in);
    mEditAPIAddress.addTextChangedListener(this);
    mEditIPAddress.addTextChangedListener(this);
    mUseAPIToSignin.setOnCheckedChangeListener(this);
    mEditAPIAddress.setText(prefs.getString(KEY_API_ADDRESS, "https://twitter.com/"));
    mEditIPAddress.setText(prefs.getString(KEY_IP_ADDRESS, null));
    mUseAPIToSignin.setChecked(prefs.getBoolean(KEY_USE_API_TO_SIGN_IN, true));
    updateNotice();
    final AlertDialog.Builder builder = new AlertDialog.Builder(context);
    builder.setTitle(R.string.set_api);
    builder.setView(view);
    builder.setPositiveButton(android.R.string.ok, this);
    builder.setNegativeButton(android.R.string.cancel, null);
    final AlertDialog dialog = builder.create();
    dialog.setOnShowListener(this);
    return dialog;
  }

  @Override
  public void onShow(final DialogInterface dialog) {
    updatePositiveButton();
  }

  @Override
  public void onTextChanged(final CharSequence s, final int start, final int before, final int count) {
    updatePositiveButton();
  }

  private void updateNotice() {
    mSetAPINotice.setVisibility(mUseAPIToSignin.isChecked() ? View.GONE : View.VISIBLE);
    mUseAPIToSigninNotice.setVisibility(mUseAPIToSignin.isChecked() ? View.VISIBLE : View.GONE);
  }

  private void updatePositiveButton() {
    if (mEditAPIAddress == null || mEditIPAddress == null) return;
    final Dialog dialog = getDialog();
    if (!(dialog instanceof AlertDialog)) return;
    final Button button = ((AlertDialog) dialog).getButton(DialogInterface.BUTTON_POSITIVE);
    button.setEnabled(!TextUtils.isEmpty(mEditAPIAddress.getText()));
  }

}
Java Source Code List
