GridLayout0.java

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The file containing the source code shown below is located in the corresponding directory in <sdk>/samples/android-<version>/...

/*
 * Copyright (C) 2011 The Android开源工程
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.example.android.apis.view;

import android.app.Activity;
import android.content.Context;
import android.os.Bundle;
import android.view.View;

import android.widget.*;

import static android.text.InputType.*;
import static android.widget.GridLayout.*;

/**
 * A simple form, showing use of the GridLayout API.
 */
public class GridLayout0 extends Activity {

    public static View create(Context context) {
        GridLayout p = new GridLayout(context);
        p.setUseDefaultMargins(true);
        p.setAlignmentMode(ALIGN_BOUNDS);
        p.setRowOrderPreserved(false);

        Spec row1 = spec(0);
        Spec row2 = spec(1);
        Spec row3 = spec(2, BASELINE);
        Spec row4 = spec(3, BASELINE);
        Spec row5 = spec(2, 3, FILL); // allow the last two rows to overlap the middle two
        Spec row6 = spec(5);
        Spec row7 = spec(6);

        Spec col1a = spec(0, 4, CENTER);
        Spec col1b = spec(0, 4, LEFT);
        Spec col1c = spec(0, RIGHT);
        Spec col2 = spec(1, LEFT);
        Spec col3 = spec(2, FILL);
        Spec col4a = spec(3);
        Spec col4b = spec(3, FILL);

        {
            TextView c = new TextView(context);
            c.setTextSize(32);
            c.setText("Email setup");
            p.addView(c, new LayoutParams(row1, col1a));
        }
        {
            TextView c = new TextView(context);
            c.setTextSize(16);
            c.setText("You can configure email in just a few steps:");
            p.addView(c, new LayoutParams(row2, col1b));
        }
        {
            TextView c = new TextView(context);
            c.setText("Email address:");
            p.addView(c, new LayoutParams(row3, col1c));
        }
        {
            EditText c = new EditText(context);
            c.setEms(10);
            c.setInputType(TYPE_CLASS_TEXT | TYPE_TEXT_VARIATION_EMAIL_ADDRESS);
            p.addView(c, new LayoutParams(row3, col2));
        }
        {
            TextView c = new TextView(context);
            c.setText("Password:");
            p.addView(c, new LayoutParams(row4, col1c));
        }
        {
            TextView c = new EditText(context);
            c.setEms(8);
            c.setInputType(TYPE_CLASS_TEXT | TYPE_TEXT_VARIATION_PASSWORD);
            p.addView(c, new LayoutParams(row4, col2));
        }
        {
            Space c = new Space(context);
            p.addView(c, new LayoutParams(row5, col3));
        }
        {
            Button c = new Button(context);
            c.setText("Manual setup");
            p.addView(c, new LayoutParams(row6, col4a));
        }
        {
            Button c = new Button(context);
            c.setText("Next");
            p.addView(c, new LayoutParams(row7, col4b));
        }

        return p;
    }

    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(create(this));
    }

}