EditTextDialogFragment

EditTextDialogFragment.java

package com.bizzby.ui.fragments.dialogs;

import android.app.AlertDialog;
import android.app.Dialog;
import android.content.Context;
import android.content.DialogInterface;
import android.os.Bundle;
import android.support.v4.app.FragmentManager;
import android.text.Editable;
import android.text.Selection;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewTreeObserver;
import android.view.inputmethod.InputMethodManager;
import android.widget.EditText;
import com.bizzby.R;

/**
 * Created with Intellij with Android, BIZZBY product.
 * See licencing for usage of this code.
 * <p/>
 * User: chris
 * Date: 21/02/2013
 * Time: 16:42
 */
public class EditTextDialogFragment extends BaseDialogFragment implements Dialog.OnClickListener
{
    private static final String TAG = EditTextDialogFragment.class.getSimpleName();
    private static final String EXTRA_EDIT_TEXT_VALUE = "extra_edit_text_value";

    public static final EditTextDialogFragment newInstance(final int titleRes, final String text)
    {
        final EditTextDialogFragment fragment = new EditTextDialogFragment();
        Bundle b = new Bundle(2);
        createArgs(b, titleRes, null);
        if (text != null)
            b.putString(EXTRA_EDIT_TEXT_VALUE, text);
        fragment.setArguments(b);
        return fragment;
    }

    private String mText;
    private EditText mTextEdit;
    private boolean mCanceled = false;

    @Override
    public void onCreate(final Bundle savedInstanceState)
    {
        super.onCreate(savedInstanceState);
        mText = getArguments().getString(EXTRA_EDIT_TEXT_VALUE);
    }

    @Override
    public Dialog onCreateDialog(final Bundle savedInstanceState)
    {
        final AlertDialog.Builder b = new AlertDialog.Builder(getActivity());
        b.setTitle(mTitle);
        View v = LayoutInflater.from(getActivity()).inflate(R.layout.frag_diag_edit_text, null, false);
        mTextEdit = (EditText) v.findViewById(R.id.frag_diag_edit_text);
        b.setView(v);
        b.setPositiveButton(android.R.string.ok, this);
        b.setNegativeButton(android.R.string.cancel, this);
        return b.create();
    }

    @Override
    public void onStart()
    {
        super.onStart();
        mTextEdit.setText(mText);
        //Try and show the keyboard after we show.
        if (mTextEdit.getViewTreeObserver().isAlive())
            mTextEdit.getViewTreeObserver().addOnPreDrawListener(new ViewTreeObserver.OnPreDrawListener()
            {
                @Override
                public boolean onPreDraw()
                {
                    if (mTextEdit.getViewTreeObserver().isAlive())
                        mTextEdit.getViewTreeObserver().removeOnPreDrawListener(this);
                    if (getActivity() != null)
                    {
//                        final InputMethodManager keyboard = (InputMethodManager) getActivity().getSystemService(Context.INPUT_METHOD_SERVICE);
//                        keyboard.showSoftInput(mTextEdit, 0);
                        mTextEdit.requestFocus();
                        final Editable editable = mTextEdit.getText();
                        Selection.setSelection(editable, mTextEdit.length());
                    }
                    return true;
                }
            });
    }

    @Override
    public void onResume()
    {
        super.onResume();
    }

    @Override
    public void onStop()
    {
        super.onStop();
        mText = mTextEdit.getText().toString();
        final InputMethodManager imm = (InputMethodManager) getActivity().getSystemService(
                Context.INPUT_METHOD_SERVICE);
        final View view = getActivity().getCurrentFocus();
        if (view != null)
            imm.hideSoftInputFromWindow(view.getWindowToken(), 0);
    }

    public void show(final FragmentManager fragmentManager)
    {
        if (fragmentManager != null)
        {
            dismiss(fragmentManager, TAG);
            super.show(fragmentManager, TAG);
        }
    }

    @Override
    public void onClick(final DialogInterface dialog, final int which)
    {
        switch (which){
            case AlertDialog.BUTTON_NEGATIVE:
                onCancel(dialog);
                break;
            case AlertDialog.BUTTON_POSITIVE:
                onDismiss(dialog);
                break;
        }
    }

    @Override
    public void onCancel(final DialogInterface dialog)
    {
        mCanceled = true;
        super.onCancel(dialog);
    }

    @Override
    public void onDismiss(final DialogInterface dialog)
    {
        if (!mCanceled && getTargetFragment() instanceof EditTextFragmentCallbacks)
            ((EditTextFragmentCallbacks) getTargetFragment()).onEditTextFinished(mTextEdit.getText().toString());
        super.onDismiss(dialog);
    }

    public static interface EditTextFragmentCallbacks
    {
        public void onEditTextFinished(String text);
    }


}

frag_diag_edit_text.xml

<?xml version="1.0" encoding="utf-8"?>
<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
                           android:layout_width="match_parent"
                           android:layout_height="wrap_content">

<EditText
        android:id="@+id/frag_diag_edit_text"
        style="@style/EditText.DescriptionDiag"
        android:layout_margin="@dimen/margin_medium"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:minHeight="96dp"
        android:inputType="textMultiLine|textCapSentences|textAutoComplete"
        android:imeOptions="actionDone"
        android:layout_gravity="top"
        android:focusableInTouchMode="true"
        android:gravity="bottom">

    <requestFocus/>
</EditText>

</FrameLayout>