2013年8月14日Android记录
很多应用都会有用户设置,用户的一些偏好可以由用户来决定那是应用人性化的体现,在实际开发中很多情况都作成可配置的了,本篇博客要介绍的是一个比较炫的状态按钮切换,我想很多开发者都想做出这样的效果,在这里我也就把自己参与的项目当中的这部分实现,做出Demo来于朋友们分享。
没有图,我感觉就特别不舒服:
这样看没办法看出效果,如果能做出动态图就好了,下次吧。
除了ToggleButton的自定义之外,用户配置的信息也是要保存起来的,每一次启动程序的时候要能保证使用的是之前的配置,而不是默认配置,在这里使用SharedPreferences是最好的选择了。
布局文件:
/2013.08.14_ToggleButton_demo/res/layout/settings.xml
- <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
- android:id="@+id/LinearLayout1"
- android:layout_width="match_parent"
- android:layout_height="match_parent"
- android:background="@drawable/bg"
- android:orientation="vertical" >
- <RelativeLayout
- android:layout_width="match_parent"
- android:layout_height="wrap_content"
- android:background="@drawable/banner_bg" >
- <TextView
- android:id="@+id/tv_Title"
- android:layout_width="wrap_content"
- android:layout_height="42dp"
- android:layout_centerHorizontal="true"
- android:gravity="center"
- android:text="设置"
- android:textColor="#ffffff"
- android:textSize="22sp" />
- </RelativeLayout>
- <ScrollView
- android:layout_width="match_parent"
- android:layout_height="match_parent" >
- <LinearLayout
- android:layout_width="match_parent"
- android:layout_height="wrap_content"
- android:orientation="vertical" >
- <LinearLayout
- android:id="@+id/layout_AutoPlay"
- 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_AutoPlay"
- 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="自动播放"
- 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_AutoPlay"
- 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_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" />
- </RelativeLayout>
- </LinearLayout>
- <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" />
- </RelativeLayout>
- </LinearLayout>
- </LinearLayout>
- </ScrollView>
- </LinearLayout>
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(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;
- }
- public static int getScreenHeight(Context context) {
- return context.getResources().getDisplayMetrics().heightPixels;
- }
- }
/2013.08.14_ToggleButton_demo/src/com/wwj/toggle/ToggleListener.java
- package com.wwj.toggle;
- import android.content.Context;
- import android.view.Gravity;
- import android.view.animation.TranslateAnimation;
- import android.widget.CompoundButton;
- import android.widget.CompoundButton.OnCheckedChangeListener;
- import android.widget.ImageButton;
- import android.widget.RelativeLayout;
- import android.widget.ToggleButton;
- /**
- * 状态按钮的监听事件
- *
- * @author wwj
- *
- */
- public class ToggleListener implements OnCheckedChangeListener {
- private Context context;
- private String settingName;
- private ToggleButton toggle;
- private ImageButton toggle_Button;
- public ToggleListener(Context context, String settingName,
- ToggleButton toggle, ImageButton toggle_Button) {
- this.context = context;
- this.settingName = settingName;
- this.toggle = toggle;
- this.toggle_Button = toggle_Button;
- }
- @Override
- public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
- // 保存设置
- if ("自动播放".equals(settingName)) {
- SettingUtils.set(context, SettingUtils.AUTO_PLAY, isChecked);
- } else if ("开机自启动".equals(settingName)) {
- SettingUtils.set(context, SettingUtils.IS_AUTO_START, isChecked);
- }
- // 播放动画
- RelativeLayout.LayoutParams params = (RelativeLayout.LayoutParams) toggle_Button
- .getLayoutParams();
- if (isChecked) {
- // 调整位置
- params.addRule(RelativeLayout.ALIGN_RIGHT, -1);
- if ("自动播放".equals(settingName)) {
- params.addRule(RelativeLayout.ALIGN_LEFT, R.id.toggle_AutoPlay);
- } else if ("开机自启动".equals(settingName)) {
- params.addRule(RelativeLayout.ALIGN_LEFT,
- R.id.toggle_StartOnBoot);
- }
- toggle_Button.setLayoutParams(params);
- toggle_Button.setImageResource(R.drawable.progress_thumb_selector);
- toggle.setGravity(Gravity.RIGHT | Gravity.CENTER_VERTICAL);
- // 播放动画
- TranslateAnimation animation = new TranslateAnimation(
- DisplayUtils.dip2px(context, 40), 0, 0, 0);
- animation.setDuration(200);
- toggle_Button.startAnimation(animation);
- } else {
- // 调整位置
- if ("自动播放".equals(settingName)) {
- params.addRule(RelativeLayout.ALIGN_RIGHT, R.id.toggle_AutoPlay);
- } else if ("开机自启动".equals(settingName)) {
- params.addRule(RelativeLayout.ALIGN_RIGHT,
- R.id.toggle_StartOnBoot);
- }
- params.addRule(RelativeLayout.ALIGN_LEFT, -1);
- toggle_Button.setLayoutParams(params);
- toggle_Button
- .setImageResource(R.drawable.progress_thumb_off_selector);
- toggle.setGravity(Gravity.LEFT | Gravity.CENTER_VERTICAL);
- // 播放动画
- TranslateAnimation animation = new TranslateAnimation(
- DisplayUtils.dip2px(context, -40), 0, 0, 0);
- animation.setDuration(200);
- toggle_Button.startAnimation(animation);
- }
- }
- }