Android记录4--自定义ToggleButton+用SharedPreferences保存用户配置

焦信鸥
2023-12-01

android:layout_height=“wrap_content”

android:background="@drawable/toggle_selector"

android:gravity=“left|center_vertical”

android:paddingLeft=“14dp”

android:paddingRight=“14dp”

android:textColor="#ffffff"

android:textOff=“OFF”

android:textOn=“ON” />

<ImageButton

android:id="@+id/toggleButton_AutoPlay"

android:layout_width=“wrap_content”

android:layout_height=“wrap_content”

android:layout_alignRight="@+id/toggle_AutoPlay"

android:background="#00000000"

android:src="@drawable/progress_thumb_selector" />

<ImageView

android:layout_width=“match_parent”

android:layout_height=“wrap_content”

android:scaleType=“fitXY”

android:src="@drawable/list_divider" />

<LinearLayout

android:id="@+id/layout_StartOnBoot"

android:layout_width=“match_parent”

android:layout_height=“wrap_content”

android:background="@drawable/item_short_bg_selector"

android:gravity=“center_vertical” >

<TextView

android:id="@+id/tv_StartOnBoot"

android:layout_width=“0dp”

android:layout_height=“wrap_content”

android:layout_marginLeft=“10dp”

android:layout_weight=“1”

android:focusable=“false”

android:singleLine=“true”

android:text=“开机自启动”

android:textColor="#7a6f66"

android:textSize=“18sp” />

<RelativeLayout

android:layout_width=“wrap_content”

android:layout_height=“wrap_content”

android:layout_marginRight=“10dp” >

<ToggleButton

android:id="@+id/toggle_StartOnBoot"

android:layout_width=“wrap_content”

android:layout_height=“wrap_content”

android:background="@drawable/toggle_selector"

android:gravity=“left|center_vertical”

android:paddingLeft=“14dp”

android:paddingRight=“14dp”

android:textColor="#ffffff"

android:textOff=“OFF”

android:textOn=“ON” />

<ImageButton

android:id="@+id/toggleButton_StartOnBoot"

android:layout_width=“wrap_content”

android:layout_height=“wrap_content”

android:layout_alignRight="@+id/toggle_StartOnBoot"

android:background="#00000000"

android:src="@drawable/progress_thumb_selector" />

哪些selector文件的代码就不贴了,自己看源码吧

Activity文件

**/2013.08.14_ToggleButton_demo/src/com/wwj/toggle/Setting.java

**

package com.wwj.toggle;

import android.app.Activity;

import android.os.Bundle;

import android.view.Gravity;

import android.view.View;

import android.view.View.OnClickListener;

import android.widget.ImageButton;

import android.widget.LinearLayout;

import android.widget.RelativeLayout;

import android.widget.ToggleButton;

/**

  • 自定义ToggleButton的例子

  • @author wwj 2013年8月14

*/

public class Setting extends Activity {

private LinearLayout layout_AutoPlay;

private LinearLayout layout_StartOnBoot;

private ToggleButton toggle_AutoPlay;

private ToggleButton toggle_StartOnBoot;

private ImageButton toggleButton_AutoPlay;

private ImageButton toggleButton_StartOnBoot;

@Override

protected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.settings);

// 找到控件

layout_AutoPlay = (LinearLayout) findViewById(R.id.layout_AutoPlay);

layout_StartOnBoot = (LinearLayout) findViewById(R.id.layout_StartOnBoot);

toggle_AutoPlay = (ToggleButton) findViewById(R.id.toggle_AutoPlay);

toggle_StartOnBoot = (ToggleButton) findViewById(R.id.toggle_StartOnBoot);

toggleButton_AutoPlay = (ImageButton) findViewById(R.id.toggleButton_AutoPlay);

toggleButton_StartOnBoot = (ImageButton) findViewById(R.id.toggleButton_StartOnBoot);

initViews();

setListeners();

}

private void initViews() {

// 是否自动播放,获取SharePerference保存的用户配置

boolean isAutoPlay = SettingUtils.get(this, SettingUtils.AUTO_PLAY,

false);

toggle_AutoPlay.setChecked(isAutoPlay);

RelativeLayout.LayoutParams params = (RelativeLayout.LayoutParams) toggleButton_AutoPlay

.getLayoutParams();

if (isAutoPlay) { // 如果是自动播放

// 调整位置

params.addRule(RelativeLayout.ALIGN_RIGHT, -1);

params.addRule(RelativeLayout.ALIGN_LEFT,

R.id.toggleButton_AutoPlay);

toggleButton_AutoPlay.setLayoutParams(params);

toggleButton_AutoPlay

.setImageResource(R.drawable.progress_thumb_selector);

toggle_AutoPlay.setGravity(Gravity.RIGHT | Gravity.CENTER_VERTICAL);

} else {

// 调整位置

params.addRule(RelativeLayout.ALIGN_RIGHT, R.id.toggle_AutoPlay);

params.addRule(RelativeLayout.ALIGN_LEFT, -1);

toggleButton_AutoPlay.setLayoutParams(params);

toggleButton_AutoPlay

.setImageResource(R.drawable.progress_thumb_off_selector);

toggle_AutoPlay.setGravity(Gravity.LEFT | Gravity.CENTER_VERTICAL);

}

boolean isAutostart = SettingUtils.get(this,

SettingUtils.IS_AUTO_START, true);

toggle_StartOnBoot.setChecked(isAutostart);

RelativeLayout.LayoutParams params3 = (RelativeLayout.LayoutParams) toggleButton_StartOnBoot

.getLayoutParams();

if (isAutostart) {

// 调整位置

params3.addRule(RelativeLayout.ALIGN_RIGHT, -1);

params3.addRule(RelativeLayout.ALIGN_LEFT, R.id.toggle_StartOnBoot);

toggleButton_StartOnBoot.setLayoutParams(params3);

toggleButton_StartOnBoot

.setImageResource(R.drawable.progress_thumb_selector);

toggle_StartOnBoot.setGravity(Gravity.RIGHT

| Gravity.CENTER_VERTICAL);

} else {

// 调整位置

params3.addRule(RelativeLayout.ALIGN_RIGHT, R.id.toggle_StartOnBoot);

params3.addRule(RelativeLayout.ALIGN_LEFT, -1);

toggleButton_StartOnBoot.setLayoutParams(params3);

toggleButton_StartOnBoot

.setImageResource(R.drawable.progress_thumb_off_selector);

toggle_StartOnBoot.setGravity(Gravity.LEFT

| Gravity.CENTER_VERTICAL);

}

}

private void setListeners() {

toggle_AutoPlay.setOnCheckedChangeListener(new ToggleListener(this,

“自动播放”, toggle_AutoPlay, toggleButton_AutoPlay));

toggle_StartOnBoot.setOnCheckedChangeListener(new ToggleListener(this,

“开机自启动”, toggle_StartOnBoot, toggleButton_StartOnBoot));

// UI事件,按钮点击事件

OnClickListener clickToToggleListener = new OnClickListener() {

@Override

public void onClick(View v) {

toggle_AutoPlay.toggle();

}

};

toggleButton_AutoPlay.setOnClickListener(clickToToggleListener);

layout_AutoPlay.setOnClickListener(clickToToggleListener);

// UI事件,按钮点击事件

OnClickListener clickToToggleAutostartListener = new OnClickListener() {

public void onClick(View v) {

toggle_StartOnBoot.toggle();

}

};

toggleButton_StartOnBoot

.setOnClickListener(clickToToggleAutostartListener);

layout_StartOnBoot

.setOnClickListener(clickToToggleAutostartListener);

}

}

工具类:

/2013.08.14_ToggleButton_demo/src/com/wwj/toggle/SettingUtils.java

package com.wwj.toggle;

import android.content.Context;

import android.content.SharedPreferences;

import android.content.SharedPreferences.Editor;

import android.preference.PreferenceManager;

public class SettingUtils {

public static final String AUTO_PLAY = “auto_play”; // 自动播放

public static final String IS_AUTO_START = “is_auto_start”; // 开机自启动

/**

  • 获取配置

  • @param context

  • @param name

  • @param defaultValue

  • @return

*/

public static boolean get

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(Context context, String name, boolean defaultValue) {

final SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context);

boolean value = prefs.getBoolean(name, defaultValue);

return value;

}

/**

  • 保存用户配置

  • @param context

  • @param name

  • @param value

  • @return

*/

public static boolean set(Context context, String name, boolean value) {

final SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context);

Editor editor = prefs.edit();

editor.putBoolean(name, value);

return editor.commit(); //提交

}

}

/2013.08.14_ToggleButton_demo/src/com/wwj/toggle/DisplayUtils.java

package com.wwj.toggle;

import android.content.Context;

public class DisplayUtils {

public static int dip2px(Context context, float dpValue) {

final float scale = context.getResources().getDisplayMetrics().density;

return (int) (dpValue * scale + 0.5f);

}

public static int px2dip(Context context, float pxValue) {

final float scale = context.getResources().getDisplayMetrics().density;

return (int) (pxValue / scale + 0.5f);

}

public static int getScreenWidth(Context context) {

return context.getResources().getDisplayMetrics().widthPixels;

}

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