Android开发---网格布局案例

 Android开发---网格布局案例

效果图：

　　

1、MainActivity.java

package com.example.android_activity;
import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;

public class MainActivity extends Activity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
    }
    //网格布局
    public void test_4(View view){
        Intent intent=new Intent(this,GridActivity.class);
        startActivity(intent);
    }
}

2、activity_main.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/activity_main"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    >
    <Button
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="GridLayout布局[4.0]"
        android:onClick="test_4"
        />
</LinearLayout>

3、GridActivity.java

package com.example.android_activity;

import android.app.Activity;
import android.os.Bundle;

public class GridActivity extends Activity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_grid);
    }
}

4、activity_grid.xml

<?xml version="1.0" encoding="utf-8"?>
<GridLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/activity_grid"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:rowCount="6"
    android:columnCount="4">

    <EditText
        android:id="@+id/showNumber"
        android:layout_columnSpan="4"
        android:layout_width="251dp"
        android:gravity="right"
        android:inputType="none"
        />
    <Button
        android:id="@+id/b1"
        android:text="%"
        />
    <Button
        android:id="@+id/b2"
        android:text="√"
        />
    <Button
        android:id="@+id/b3"
        android:text="x²"
        />
    <Button
        android:id="@+id/b4"
        android:text="1/x"
        />
    <Button
        android:id="@+id/b5"
        android:text="CE"
        />
    <Button
        android:id="@+id/b6"
        android:text="C"
        />
    <Button
        android:id="@+id/b7"
        android:text="x"
        />
    <Button
        android:id="@+id/b8"
        android:text="÷"
        />
    <Button
        android:id="@+id/b9"
        android:text="7"
        />
    <Button
        android:id="@+id/b10"
        android:text="8"
        />
    <Button
        android:id="@+id/b11"
        android:text="9"
        />
    <Button
        android:id="@+id/b12"
        android:text="X"
        />
    <Button
        android:id="@+id/b13"
        android:text="4"
        />
    <Button
        android:id="@+id/b14"
        android:text="5"
        />
    <Button
        android:id="@+id/b15"
        android:text="6"
        />
    <Button
        android:id="@+id/b16"
        android:text="-"
        />
    <Button
        android:id="@+id/b17"
        android:text="1"
        />
    <Button
        android:id="@+id/b18"
        android:text="2"
        />
    <Button
        android:id="@+id/b19"
        android:text="3"
        />
    <Button
        android:id="@+id/b20"
        android:text="+"
        android:layout_rowSpan="2"
        android:layout_gravity="fill_vertical"
        />
    <Button
        android:id="@+id/b21"
        android:layout_columnSpan="2"
        android:layout_gravity="fill"
        android:text="0"
        />
    <Button
        android:id="@+id/b22"
        android:text="="
        />
</GridLayout>