常用控件Toggle-Switch-SeekBar-RatingBar_tdxtoggleswitch控件-优快云博客

本文详细介绍了Android开发中常用的UI控件，包括Toggle的ToggleButton用于创建状态开关，Switch控件的使用方法，以及SeekBar和RatingBar的交互功能。通过示例代码和布局文件，展示了这些控件的基本配置和实际应用。

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Toggle的控件用法:ToggleButton状态开关按钮

activity_toggle.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:orientation="vertical" android:layout_width="match_parent"
    android:layout_height="match_parent">
    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content">
    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="开启WLAN"
        android:textSize="20dp"
        />
    <ToggleButton
        android:id="@+id/togglebutton"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:textOn="关闭"
        android:textOff="打开"
        />
    </LinearLayout>
</LinearLayout>
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ToggleActivity.java

package com.example.app6;

import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Toast;
import android.widget.ToggleButton;

public class ToggleActivity extends Activity {
    //声明ToggleButton
    private ToggleButton togglebutton;
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_toggle);

        togglebutton = (ToggleButton) findViewById(R.id.togglebutton);
        togglebutton.setOnClickListener(new OnClickListener() {
            public void onClick(View v) {
                // 当按钮第一次被点击时候响应的事件
                if (togglebutton.isChecked()) {
                    Toast.makeText(ToggleActivity.this, "关闭", Toast.LENGTH_SHORT).show();
                }
                // 当按钮再次被点击时候响应的事件
                else {
                    Toast.makeText(ToggleActivity.this, "打开", Toast.LENGTH_SHORT).show();
                }
            }
        });
    }
}

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Switch控件的用法

activtiy.xml

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

    <Switch
        android:id="@+id/open"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:textOff="关闭"
        android:textOn="开启" />
</LinearLayout>
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SwitchActivity.java
package com.example.app6;

import android.os.Bundle;
import android.support.annotation.Nullable;
import android.support.v7.app.AppCompatActivity;
import android.widget.CompoundButton;
import android.widget.Switch;
import android.widget.Toast;

public class SwitchActivity extends AppCompatActivity{
    Switch open;
    @Override
    protected void onCreate(@Nullable Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_switch);
        open=(Switch) findViewById(R.id.open);
        open.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
            @Override
            public void onCheckedChanged(CompoundButton compoundButton, boolean b) {
                if (b){
                    Toast.makeText(getApplicationContext(),"打开", Toast.LENGTH_SHORT).show();
                }else {
                    Toast.makeText(getApplicationContext(),"关闭",Toast.LENGTH_SHORT).show();
                }
            }
        });
    }
}


 
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SeekBar拖动进度条的使用及事件监听
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:orientation="vertical"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent">

    <SeekBar
        android:id="@+id/seekBar"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content" />
    <TextView
        android:id="@+id/description"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:text="拖动进度条"
        android:gravity="center_horizontal"/>
</LinearLayout>
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事件监听接口中有三个重要的方法：

SeekBarActivtiy.java
package com.example.app6;import android.app.Activity;import android.os.Bundle;import android.widget.SeekBar;import android.widget.TextView;/** * Created by Administrator on 2017/6/6. */public class SeekBarActivity extends Activity{    private SeekBar seekBar;    private TextView description;    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_seekbar);        seekBar=(SeekBar)findViewById(R.id.seekBar);        description=(TextView)findViewById(R.id.description);        seekBar.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener() {            @Override            public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) {                description.setText("当前进度："+progress+"%");            }            @Override            public void onStartTrackingTouch(SeekBar seekBar) {                description.setText("开始拖动");            }            @Override            public void onStopTrackingTouch(SeekBar seekBar) {                description.setText("拖动停止");            }        });    }}

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RatingBar的控件用法
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:orientation="vertical"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    >
    <RatingBar
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        style="?android:attr/ratingBarStyleIndicator"
        android:id="@+id/ratingbar_Indicator"
        />
    <RatingBar
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        style="?android:attr/ratingBarStyle"
        android:id="@+id/ratingbar_default"
        />
</LinearLayout>
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RatingBarActivtiy.java
package com.example.app6;

import android.app.Activity;
import android.os.Bundle;
import android.widget.RatingBar;
import android.widget.Toast;

/**
 * Created by Administrator on 2017/6/6.
 */

public class RatingBarActivity extends Activity {

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_ratingbar);

        final RatingBar ratingBar_Indicator = (RatingBar)findViewById(R.id.ratingbar_Indicator);
        final RatingBar ratingBar_default = (RatingBar)findViewById(R.id.ratingbar_default);

        ratingBar_default.setOnRatingBarChangeListener(new RatingBar.OnRatingBarChangeListener(){

            public void onRatingChanged(RatingBar ratingBar, float rating,boolean fromUser) {
                ratingBar_Indicator.setRating(rating);
                Toast.makeText(RatingBarActivity.this, "rating:"+String.valueOf(rating), Toast.LENGTH_LONG).show();
            }});
    }
}