ANDROID 自动生成动态表格for

Posted 2020-08-20 Seven7

简单的栗子去了解这个自动生成的动态的控件（自动生成表格）

/cs-Layout/res/layout/activity_main.xml

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical" >

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:orientation="vertical" >

        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_weight="1"
            android:orientation="horizontal" >

            <TextView
                android:layout_width="wrap_content"
                android:layout_height="match_parent"
                android:layout_marginLeft="10dp"
                android:gravity="center_vertical"
                android:text="请输入行:"
                android:textSize="20sp" />

            <EditText
                android:id="@+id/editText1"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:ems="10"
                android:hint="请输入数字！"
                android:numeric="decimal" />
        </LinearLayout>

        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_weight="1"
            android:orientation="horizontal" >

            <TextView
                android:layout_width="wrap_content"
                android:layout_height="match_parent"
                android:layout_marginLeft="10dp"
                android:gravity="center_vertical"
                android:text="请输入列:"
                android:textSize="20sp" />

            <EditText
                android:id="@+id/editText2"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:ems="10"
                android:hint="请输入数字！"
                android:numeric="decimal" >

                <requestFocus />
            </EditText>
        </LinearLayout>

        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:orientation="horizontal" >

            <Button
                android:id="@+id/button1"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:text="一键自动生成表格" />
        </LinearLayout>
    </LinearLayout>

    <TableLayout
        android:id="@+id/flout"
        android:layout_width="match_parent"
        android:layout_height="match_parent" >
    </TableLayout>

</LinearLayout>

activity_main.xml

/cs-Layout/src/com/example/cs_layout/MainActivity.java

package com.example.cs_layout;

import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TableLayout;
import android.widget.TableRow;

public class MainActivity extends Activity {
    private Button submit;
    private EditText cloumn;
    private EditText run;
    private TableLayout flout;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        // cloumn = ;
        submit = (Button) findViewById(R.id.button1);
        cloumn = (EditText) findViewById(R.id.editText1);
        run = (EditText) findViewById(R.id.editText2);
        flout = (TableLayout) findViewById(R.id.flout);

        submit.setOnClickListener(new OnClickListener() {

            @Override
            public void onClick(View v) {
                flout.removeAllViews();
                new MainActivity().shows(cloumn, run, flout, MainActivity.this);

            }
        });

    }

    public void shows(EditText cloumn, EditText run, TableLayout flout,
            Activity a) {
        int c = Integer.parseInt(cloumn.getText() + ""); // 将输入进来的数转整数
        int r = Integer.parseInt(run.getText() + "");

        TableLayout table = new TableLayout(a); // 表格布局
        table.setWeightSum(1); // 权重
        // table.setColumnStretchable(0, false);
        for (int i = 0; i < c; i++) {
            TableRow tr = new TableRow(a);

            for (int j = 0; j < r; j++) {
                Button b = new Button(a);

                // b.setText(j);
                tr.addView(b);
            }
            table.addView(tr);
        }
        flout.addView(table);
    }

    public void color() {

    }

}

MainActivity.java