Android自定义状态栏statusBar替换系统SystemUI

文章主要参考http://blog.csdn.net/canney_chen/article/details/46042323#reply

公司的项目目标是自己开发一个状态栏，显示时间日期，蓝牙无线等状态

核心：statusBar是SystemUI的一部分，statusBar跟正常建立的Android app不同，它不能有主Activity，需要在服务中创建窗口画面。SystemUIService是SystemUI的入口处，是被系统启动，之后通过WindowsManager创建画面显示。

1、AndroidManifest.xml文件

package="com.android.systemui"

<uses-permission android:name="android.permission.STATUS_BAR_SERVICE" />/*这个可能不需要*/<uses-permission android:name="android.permission.STATUS_BAR" /><uses-permission android:name="android.permission.INTERNAL_SYSTEM_WINDOW" />/* 创建TYPE_STATUS_BAR类型窗体，需要此权限*/

<service android:name="SystemUIService"    android:exported="true"    />

/*不能设置启动Activity*/

<!--<activity android:name=".MainActivity">-->    <!--<intent-filter>-->        <!--<action android:name="android.intent.action.MAIN" />-->        <!--<category android:name="android.intent.category.DEFAULT" />-->        <!--<category android:name="android.intent.category.LAUNCHER" />-->    <!--</intent-filter>--><!--</activity>-->

2、StatusIconView

public class StatusIconView extends LinearLayout {    //图标    private ImageView mIcon;    public StatusIconView(Context context) {        super(context);    }    public StatusIconView(Context context, AttributeSet attrs) {        this(context, attrs, 0);    }    public StatusIconView(Context context, AttributeSet attrs, int defStyle) {        super(context, attrs, defStyle);        init(context, attrs, defStyle);    }    private void init(Context context, AttributeSet attrs, int defStyle) {        LayoutInflater inflater = (LayoutInflater) context                .getSystemService(Context.LAYOUT_INFLATER_SERVICE);        inflater.inflate(R.layout.status_icon_view, this);        mIcon = (ImageView) findViewById(R.id.icon);    }    public final void setIcon(int resId) {        mIcon.setImageResource(resId);    }    public final ImageView getIconView(){        return mIcon;    }}

需要的xml文件status_icon_view

<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"    xmlns:tools="http://schemas.android.com/tools"    android:layout_width="wrap_content"    android:layout_height="wrap_content"    android:orientation="horizontal" >    <ImageView        android:id="@+id/icon"        android:layout_width="wrap_content"        android:layout_height="@dimen/status_bar_icon_height" />    <!--<TextView-->        <!--android:id="@+id/title"-->        <!--android:layout_width="@dimen/status_bar_icon_width"-->        <!--android:layout_height="@dimen/status_bar_icon_height" />--></LinearLayout>

3、SystemUIService

public class SystemUIService extends Service {    private WindowManager wm = null;    private WindowManager.LayoutParams statusBarParams = new WindowManager.LayoutParams();    private LinearLayout statusBarLayout=null;    private StatusBarViewHolder statusBarViewHolder = new StatusBarViewHolder();    @Override    public void onCreate() {        super.onCreate();        createStatusView();        registerReceiver();    }    @Override    public IBinder onBind(Intent intent) {        return null;    }    /* 手机电池电量显示 */    BroadcastReceiver phoneBatteryReceiver = new BroadcastReceiver(){        public void onReceive(Context context, Intent intent) {            if(intent.getAction().equals(Intent.ACTION_BATTERY_CHANGED)){                int level = intent.getIntExtra("level", 0);                int scale = intent.getIntExtra("scale", 100);                int curPower = (level * 100 / scale);                updateIcon(getBatteryImage(curPower), statusBarViewHolder.phoneBatteryIcon);            }        };    };    private void createStatusView(){        Context context = getApplicationContext();        statusBarLayout = new LinearLayout(context);        //statusBarLayout.setGravity(Gravity.CENTER_VERTICAL);        //statusBarLayout.setLayoutParams(new android.view.ViewGroup.LayoutParams(android.view.ViewGroup.LayoutParams.WRAP_CONTENT, android.view.ViewGroup.LayoutParams.WRAP_CONTENT));        wm=(WindowManager)getApplicationContext().getSystemService(WINDOW_SERVICE);        ((LayoutInflater)getSystemService(LAYOUT_INFLATER_SERVICE)).inflate(R.layout.status_bar, statusBarLayout);        findStatusBarViews();        wm.addView(statusBarLayout, getStatusViewParams());    }    private WindowManager.LayoutParams getStatusViewParams(){        statusBarParams = new WindowManager.LayoutParams(                ViewGroup.LayoutParams.MATCH_PARENT,                (int) getResources().getDimension(                        R.dimen.status_bar_height),                WindowManager.LayoutParams.TYPE_STATUS_BAR,                WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE                        | WindowManager.LayoutParams.FLAG_TOUCHABLE_WHEN_WAKING                        | WindowManager.LayoutParams.FLAG_SPLIT_TOUCH                        | WindowManager.LayoutParams.FLAG_WATCH_OUTSIDE_TOUCH                        | WindowManager.LayoutParams.FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS,                PixelFormat.TRANSLUCENT);        statusBarParams.flags |= WindowManager.LayoutParams.FLAG_HARDWARE_ACCELERATED;        statusBarParams.gravity = Gravity.TOP;        statusBarParams.softInputMode = WindowManager.LayoutParams.SOFT_INPUT_ADJUST_RESIZE;        statusBarParams.setTitle("StatusBar");        statusBarParams.packageName = this.getPackageName();        return statusBarParams;    }    private void findStatusBarViews() {        statusBarViewHolder.datetimeTextView = (TextView) statusBarLayout.findViewById(R.id.datetime_textView);        statusBarViewHolder.phoneUSBIcon = (StatusIconView)statusBarLayout.findViewById(R.id.usb_icon);        statusBarViewHolder.phoneSDCardIcon = (StatusIconView)statusBarLayout.findViewById(R.id.sdcard_icon);        statusBarViewHolder.phoneHotspotIcon = (StatusIconView)statusBarLayout.findViewById(R.id.hotspot_icon);        statusBarViewHolder.phoneMobileIcon = (StatusIconView)statusBarLayout.findViewById(R.id.mobile_icon);        statusBarViewHolder.phoneBluetoothIcon = (StatusIconView)statusBarLayout.findViewById(R.id.bluetooth_icon);        statusBarViewHolder.phoneWifiIcon = (StatusIconView)statusBarLayout.findViewById(R.id.wifi_icon);        statusBarViewHolder.phoneBatteryIcon = (StatusIconView)statusBarLayout.findViewById(R.id.battery_icon);        statusBarViewHolder.phoneUSBIcon.setIcon(R.drawable.usb);        statusBarViewHolder.phoneSDCardIcon.setIcon(R.drawable.sd);        statusBarViewHolder.phoneBluetoothIcon.setIcon(R.drawable.btconnected);        statusBarViewHolder.phoneWifiIcon.setIcon(R.drawable.wifi0);    }    private void updateIcon(int Icon, StatusIconView icon){        icon.setIcon(Icon);    }    private int getBatteryImage(int battery) {        int resId;        if(battery > 0 && battery <= 10){            resId = R.drawable.battery0;        }else if(battery > 10 && battery <= 40){            resId = R.drawable.battery1;        }else if(battery > 40 && battery <= 60){            resId = R.drawable.battery2;        }else if(battery > 60 && battery <= 80){            resId = R.drawable.battery3;        }else if(battery > 80 && battery <= 100){resId = R.drawable.battery4;        }else{            resId = R.drawable.battery0;        }        return resId;    }/**     * 注册状态栏更新信息的广播     */    private void registerReceiver() {        registerReceiver(phoneBatteryReceiver , new IntentFilter(Intent.ACTION_BATTERY_CHANGED));    }    /**     * 状态栏的所有图标     */    private class StatusBarViewHolder{        TextView datetimeTextView;        StatusIconView phoneUSBIcon;        StatusIconView phoneSDCardIcon;        StatusIconView phoneHotspotIcon;        StatusIconView phoneMobileIcon;        StatusIconView phoneBluetoothIcon;        StatusIconView phoneWifiIcon;        StatusIconView phoneBatteryIcon;    }    @Override    public void onDestroy(){        unregisterReceiver();        wm.removeView(statusBarLayout);        super.onDestroy();    }    private void unregisterReceiver(){        unregisterReceiver(phoneBatteryReceiver);    }    public String GetSysTime() {        long sysTime = System.currentTimeMillis();        String time = "";        boolean is24Hour =  DateFormat.is24HourFormat(getApplicationContext());        /** @brief Get the same time as the system. */        if(is24Hour) {            time = (String) DateFormat.format("yyyy-MM-dd HH:mm:ss", sysTime);        }        else{            time = (String) DateFormat.format("yyyy-MM-dd hh:mm:ss", sysTime);        }        return time;    }

需要的xml文件status_bar

<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"    android:orientation="horizontal"    android:layout_width="match_parent"    android:layout_height="@dimen/status_bar_height">    <TextView        android:id="@+id/datetime_textView"        android:layout_width="0dp"        android:layout_weight="1"        android:layout_height="@dimen/status_bar_date_height"        android:textColor="@android:color/holo_red_dark"        android:layout_gravity="center"/>    <LinearLayout        android:layout_width="0dp"        android:layout_weight="1"        android:gravity="right"        android:layout_height="@dimen/status_bar_icon_width">        <com.android.systemui.StatusIconView            android:id="@+id/usb_icon"            android:layout_width="wrap_content"            android:layout_height="@dimen/status_bar_icon_height"            android:layout_gravity="center"/>        <com.android.systemui.StatusIconView            android:id="@+id/sdcard_icon"            android:layout_width="wrap_content"            android:layout_height="wrap_content"            android:layout_gravity="center"/>        <com.android.systemui.StatusIconView            android:id="@+id/hotspot_icon"            android:layout_width="wrap_content"            android:layout_height="wrap_content"            android:layout_gravity="center"/>        <com.android.systemui.StatusIconView            android:id="@+id/mobile_icon"            android:layout_width="wrap_content"            android:layout_height="wrap_content"            android:layout_gravity="center"/>        <com.android.systemui.StatusIconView            android:id="@+id/bluetooth_icon"            android:layout_width="wrap_content"            android:layout_height="wrap_content"            android:layout_gravity="center"/>        <com.android.systemui.StatusIconView            android:id="@+id/wifi_icon"            android:layout_width="wrap_content"            android:layout_height="wrap_content"            android:layout_gravity="center"/>        <com.android.systemui.StatusIconView            android:id="@+id/battery_icon"            android:layout_width="wrap_content"            android:layout_height="wrap_content"            android:layout_gravity="center"/>    </LinearLayout>    <!--<TextView-->        <!--android:id="@+id/ssidInfo"-->        <!--android:layout_width="match_parent"-->        <!--android:layout_height="400dp"-->        <!--android:lines="10"-->        <!--android:textColor="@android:color/holo_red_dark"/>--></LinearLayout>

注意：以上工程一定要替换系统的SystemUI源码，编译后烧写内核才可以