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      1 /*
      2  * Copyright (C) 2011 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 package com.example.android.supportv7.view;
     18 
     19 import static android.text.InputType.TYPE_CLASS_TEXT;
     20 import static android.text.InputType.TYPE_TEXT_VARIATION_EMAIL_ADDRESS;
     21 import static android.text.InputType.TYPE_TEXT_VARIATION_PASSWORD;
     22 
     23 import static androidx.gridlayout.widget.GridLayout.ALIGN_BOUNDS;
     24 import static androidx.gridlayout.widget.GridLayout.BASELINE;
     25 import static androidx.gridlayout.widget.GridLayout.CENTER;
     26 import static androidx.gridlayout.widget.GridLayout.FILL;
     27 import static androidx.gridlayout.widget.GridLayout.LEFT;
     28 import static androidx.gridlayout.widget.GridLayout.RIGHT;
     29 import static androidx.gridlayout.widget.GridLayout.spec;
     30 
     31 import android.app.Activity;
     32 import android.content.Context;
     33 import android.content.res.Configuration;
     34 import android.os.Bundle;
     35 import android.view.View;
     36 import android.widget.Button;
     37 import android.widget.EditText;
     38 import android.widget.TextView;
     39 
     40 import androidx.gridlayout.widget.GridLayout;
     41 import androidx.gridlayout.widget.GridLayout.LayoutParams;
     42 import androidx.gridlayout.widget.GridLayout.Spec;
     43 
     44 /**
     45  * A form, showing use of the GridLayout API. Here we demonstrate use of the row/column order
     46  * preserved property which allows rows and or columns to pass over each other when needed.
     47  * The two buttons in the bottom right corner need to be separated from the other UI elements.
     48  * This can either be done by separating rows or separating columns - but we don't need
     49  * to do both and may only have enough space to do one or the other.
     50  */
     51 public class GridLayout3 extends Activity {
     52     public static View create(Context context) {
     53         GridLayout p = new GridLayout(context);
     54         p.setUseDefaultMargins(true);
     55         p.setAlignmentMode(ALIGN_BOUNDS);
     56         Configuration configuration = context.getResources().getConfiguration();
     57         if ((configuration.orientation == Configuration.ORIENTATION_PORTRAIT)) {
     58             p.setColumnOrderPreserved(false);
     59         } else {
     60             p.setRowOrderPreserved(false);
     61         }
     62 
     63         Spec titleRow              = spec(0);
     64         Spec introRow              = spec(1);
     65         Spec emailRow              = spec(2, BASELINE);
     66         Spec passwordRow           = spec(3, BASELINE);
     67         Spec button1Row            = spec(5);
     68         Spec button2Row            = spec(6);
     69 
     70         Spec centerInAllColumns    = spec(0, 4, CENTER);
     71         Spec leftAlignInAllColumns = spec(0, 4, LEFT);
     72         Spec labelColumn           = spec(0, RIGHT);
     73         Spec fieldColumn           = spec(1, LEFT);
     74         Spec defineLastColumn      = spec(3);
     75         Spec fillLastColumn        = spec(3, FILL);
     76 
     77         {
     78             TextView c = new TextView(context);
     79             c.setTextSize(32);
     80             c.setText("Email setup");
     81             p.addView(c, new LayoutParams(titleRow, centerInAllColumns));
     82         }
     83         {
     84             TextView c = new TextView(context);
     85             c.setTextSize(16);
     86             c.setText("You can configure email in a few simple steps:");
     87             p.addView(c, new LayoutParams(introRow, leftAlignInAllColumns));
     88         }
     89         {
     90             TextView c = new TextView(context);
     91             c.setText("Email address:");
     92             p.addView(c, new LayoutParams(emailRow, labelColumn));
     93         }
     94         {
     95             EditText c = new EditText(context);
     96             c.setEms(10);
     97             c.setInputType(TYPE_CLASS_TEXT | TYPE_TEXT_VARIATION_EMAIL_ADDRESS);
     98             p.addView(c, new LayoutParams(emailRow, fieldColumn));
     99         }
    100         {
    101             TextView c = new TextView(context);
    102             c.setText("Password:");
    103             p.addView(c, new LayoutParams(passwordRow, labelColumn));
    104         }
    105         {
    106             EditText c = new EditText(context);
    107             c.setEms(8);
    108             c.setInputType(TYPE_CLASS_TEXT | TYPE_TEXT_VARIATION_PASSWORD);
    109             p.addView(c, new LayoutParams(passwordRow, fieldColumn));
    110         }
    111         {
    112             Button c = new Button(context);
    113             c.setText("Manual setup");
    114             p.addView(c, new LayoutParams(button1Row, defineLastColumn));
    115         }
    116         {
    117             Button c = new Button(context);
    118             c.setText("Next");
    119             p.addView(c, new LayoutParams(button2Row, fillLastColumn));
    120         }
    121 
    122         return p;
    123     }
    124 
    125     @Override
    126     protected void onCreate(Bundle savedInstanceState) {
    127         super.onCreate(savedInstanceState);
    128         setContentView(create(this));
    129     }
    130 
    131 }