Android9.0 SystemUI 网络信号栏定制修改的流程解析

@Override
public void notifyListeners(SignalCallback callback) {
MobileIconGroup icons = getIcons();
String contentDescription = getStringIfExists(getContentDescription());
String dataContentDescription = getStringIfExists(icons.mDataContentDescription);
if (mCurrentState.inetCondition == 0) {
dataContentDescription = mContext.getString(R.string.data_connection_no_internet);
}
final boolean dataDisabled = mCurrentState.iconGroup == TelephonyIcons.DATA_DISABLED
&& mCurrentState.userSetup;
/// M: Customize the signal strength icon id. @ {
int iconId = getCurrentIconId();
iconId = mStatusBarExt.getCustomizeSignalStrengthIcon(
mSubscriptionInfo.getSubscriptionId(),
iconId,
mSignalStrength,
mDataNetType,
mServiceState);
/// @ }
if (mSignalStrength != null) {
/*int dbm = mSignalStrength.getDbm();
int asu = mSignalStrength.getAsuLevel();
Log.i("ccz","dbm="+dbm + " asu="+asu);*/
Log.e("ccz", "isGSM=="+mSignalStrength.isGsm() 
+ " connected=="+mCurrentState.connected+" dataConnected=="+mCurrentState.dataConnected);
}
if (mCurrentState.connected) {
//cczheng add get signal icon [S]
//通过 getSignalStrengthIcon 方法，根据自定义规则，返回要显示对应资源id
iconId = TelephonyIcons.getSignalStrengthIcon(mSignalStrength != null ? mSignalStrength.getDbm() : -120,
mSignalStrength != null ? mSignalStrength.getAsuLevel() : 0);
//iconId = TelephonyIcons.getSignalStrengthIcon(mCurrentState.level);
//cczheng add get signal icon [E]
}else{//未连接成功时显示 X
iconId = R.drawable.stat_sys_signal_disable;
}
// Show icon in QS when we are connected or data is disabled.
boolean showDataIcon = mCurrentState.dataConnected || dataDisabled;
Log.i("ccz","dataDisabled="+dataDisabled + " showDataIcon="+showDataIcon);
IconState statusIcon = new IconState(mCurrentState.enabled && !mCurrentState.airplaneMode,
iconId, contentDescription);
int qsTypeIcon = 0;
IconState qsIcon = null;
String description = null;
// Only send data sim callbacks to QS.
if (mCurrentState.dataSim) {
qsTypeIcon = (showDataIcon || mConfig.alwaysShowDataRatIcon) ? icons.mQsDataType : 0;
qsIcon = new IconState(mCurrentState.enabled
&& !mCurrentState.isEmergency, getQsCurrentIconId(), contentDescription);
description = mCurrentState.isEmergency ? null : mCurrentState.networkName;
}
boolean activityIn = mCurrentState.dataConnected
&& !mCurrentState.carrierNetworkChangeMode
&& mCurrentState.activityIn;
boolean activityOut = mCurrentState.dataConnected
&& !mCurrentState.carrierNetworkChangeMode
&& mCurrentState.activityOut;
showDataIcon &= mCurrentState.isDefault || dataDisabled;
int typeIcon = (showDataIcon || mConfig.alwaysShowDataRatIcon) ? icons.mDataType : 0;
/// M: Add for lwa.
typeIcon = mCurrentState.lwaRegState == NetworkTypeUtils.LWA_STATE_CONNCTED
&& showDataIcon ? NetworkTypeUtils.LWA_ICON : typeIcon;
/** M: Support [Network Type on StatusBar], change the implement methods.
* Get the network icon base on service state.
* Add one more parameter for network type.
* @ { **/
int networkIcon = mCurrentState.networkIcon;
/// M: Support volte icon.Bug fix when airplane mode is on go to hide volte icon
int volteIcon = mCurrentState.airplaneMode && !isImsOverWfc()
? 0 : mCurrentState.volteIcon;
/// M: when data disabled, common show data icon as x, but op do not need show it @ {
mStatusBarExt.isDataDisabled(mSubscriptionInfo.getSubscriptionId(), dataDisabled);
/// @ }
/// M: Customize the data type icon id. @ {
typeIcon = mStatusBarExt.getDataTypeIcon(
mSubscriptionInfo.getSubscriptionId(),
typeIcon,
mDataNetType,
mCurrentState.dataConnected ? TelephonyManager.DATA_CONNECTED :
TelephonyManager.DATA_DISCONNECTED,
mServiceState);
/// @ }
/// M: Customize the network type icon id. @ {
networkIcon = mStatusBarExt.getNetworkTypeIcon(
mSubscriptionInfo.getSubscriptionId(),
networkIcon,
mDataNetType,
mServiceState);
/// for operator
//通过 description 传递运营商信息
description = mCurrentState.operator;
// for qsdatetype
qsTypeIcon = mCurrentState.mQsDataType;
/// @ }
//cczheng add for when datadisable set mMobileDataActivity GONE [S]
//数据网络关闭时，id 置为0，不显示上下行小箭头
if (isDataDisabled()) {
typeIcon = 0;
}
Log.d("ccz", "qsTypeIcon="+qsTypeIcon);
//cczheng add for when datadisable set mMobileDataActivity GONE [E]
Log.e("ccz", " showDataIcon="+showDataIcon+" activityIn="+activityIn
+" activityOut="+activityOut);
Log.i("ccz", "networkName="+mCurrentState.networkName + " description="+description);
callback.setMobileDataIndicators(statusIcon, qsIcon, typeIcon, networkIcon, volteIcon,
qsTypeIcon,activityIn, activityOut, dataContentDescription, description,
icons.mIsWide, mSubscriptionInfo.getSubscriptionId(), mCurrentState.roaming,
mCurrentState.isDefaultData, mCurrentState.customizedState);
/// M: update plmn label @{
mNetworkController.refreshPlmnCarrierLabel();
/// @}
}
private final void updateTelephony() {
.....
/// M: For network type big icon.
mCurrentState.networkIcon =
NetworkTypeUtils.getNetworkTypeIcon(mServiceState, mConfig, hasService());
/// M: For volte type icon.
mCurrentState.volteIcon = getVolteIcon();
//cczheng add for qsdatetype
mCurrentState.mQsDataType = ((MobileIconGroup)mCurrentState.iconGroup).mQsDataType; 
//cczheng add for operator
mCurrentState.operator = getOperatorType();
notifyListenersIfNecessary();
}
private String getOperatorType(){
if (!hasService()) {
// Not in service, don't show operator 
return "0";
}
int operatorType = NetworkTypeUtils.getOperatorType(mPhone);
if (operatorType == 0) 
return "0";
else
return mContext.getResources().getString(operatorType); 
}

static final int[] TELEPHONY_SIGNAL_STRENGTH_FULL = {
R.drawable.stat_sys_signal_0_fully,
R.drawable.stat_sys_signal_1_fully,
R.drawable.stat_sys_signal_2_fully,
R.drawable.stat_sys_signal_3_fully,
R.drawable.stat_sys_signal_4_fully,
};
/**
* Customize Signal strength icon.
* @param level telephony signal strength leve.
* @return Signal strength icon id.
*/
static final int getSignalStrengthIcon(int level) {
android.util.Log.e("ccz", "getSignalStrengthIcon() level=="+level);
if (level  = 0 && level < TELEPHONY_SIGNAL_STRENGTH_FULL.length) {
return TELEPHONY_SIGNAL_STRENGTH_FULL[level];
}
return 0;
}
static final int getSignalStrengthIcon(int dbm, int asu) {
int level = 0;
if(dbm  = -107) level = 4;
else if (dbm  = -111) level = 3; 
else if (dbm  = -114) level = 2; 
else if (dbm  = -117) level = 1; 
android.util.Log.e("ccz", "getSignalStrengthIcon() dbm=="+dbm + " asu=="+asu + " level=="+level);
return TELEPHONY_SIGNAL_STRENGTH_FULL[level];
}

//cczheng add show small networkType
static final Map<Integer, Integer  sNetworkTypeSmallIcons = new HashMap<Integer, Integer () {
{
// For CDMA 3G
put(TelephonyManager.NETWORK_TYPE_EVDO_0, R.drawable.stat_sys_data_fully_connected_3g);
put(TelephonyManager.NETWORK_TYPE_EVDO_A, R.drawable.stat_sys_data_fully_connected_3g);
put(TelephonyManager.NETWORK_TYPE_EVDO_B, R.drawable.stat_sys_data_fully_connected_3g);
put(TelephonyManager.NETWORK_TYPE_EHRPD, R.drawable.stat_sys_data_fully_connected_3g);
// For CDMA 1x
put(TelephonyManager.NETWORK_TYPE_CDMA, R.drawable.stat_sys_data_fully_connected_1x);
put(TelephonyManager.NETWORK_TYPE_1xRTT, R.drawable.stat_sys_data_fully_connected_1x);
// Edge
put(TelephonyManager.NETWORK_TYPE_EDGE, R.drawable.stat_sys_data_fully_connected_e);
// 3G
put(TelephonyManager.NETWORK_TYPE_UMTS, R.drawable.stat_sys_data_fully_connected_3g);
// For 4G
put(TelephonyManager.NETWORK_TYPE_LTE, R.drawable.stat_sys_data_fully_connected_4g);
// 3G
put(TelephonyManager.NETWORK_TYPE_HSDPA, R.drawable.stat_sys_data_fully_connected_3g);
put(TelephonyManager.NETWORK_TYPE_HSUPA, R.drawable.stat_sys_data_fully_connected_3g);
put(TelephonyManager.NETWORK_TYPE_HSPA, R.drawable.stat_sys_data_fully_connected_3g);
put(TelephonyManager.NETWORK_TYPE_HSPAP, R.drawable.stat_sys_data_fully_connected_3g);
put(TelephonyManager.NETWORK_TYPE_IWLAN, 0);
}
};
public static int getNetworkTypeIcon(ServiceState serviceState, Config config,
boolean hasService) {
if (!hasService) {
// Not in service, no network type.
return 0;
}
int tempNetworkType = getNetworkType(serviceState);
//cczheng change sNetworkTypeIcons to sNetworkTypeSmallIcons, show small networkType
//Integer iconId = sNetworkTypeIcons.get(tempNetworkType);
Integer iconId = sNetworkTypeSmallIcons.get(tempNetworkType);//add
if (iconId == null) {
iconId = tempNetworkType == TelephonyManager.NETWORK_TYPE_UNKNOWN ? 0 :
config.showAtLeast3G ? R.drawable.stat_sys_network_type_3g :
R.drawable.stat_sys_network_type_g;
}
Log.i("ccz", "Operator=="+ serviceState.getOperatorAlphaLong());
return iconId.intValue();
}
//cczheng add for operatortype
static final int[] OPERATOR_TYPE = {
R.string.operator_cmcc,//CHINA_MOBILE
R.string.operator_cucc,//CHINA_UNICOM
R.string.operator_ctcc//CHINA_TELECOM
};
public static int getOperatorType(TelephonyManager telephonyManager) {
int type = 0;
String operator = telephonyManager.getSimOperator();
switch (operator) {
case "46000":
case "46002":
case "46007":
case "41004": 
type = OPERATOR_TYPE[0];
break;
case "46001":
case "46006":
type = OPERATOR_TYPE[1];
break;
case "46003":
case "46011":
type = OPERATOR_TYPE[2];
break;
default:
break;
}
return type;
}

vendor\mediatek\proprietary\packages\apps\SystemUI\src\com\android\systemui\statusbar\phone\StatusBarSignalPolicy.java
@Override
public void setMobileDataIndicators(IconState statusIcon, IconState qsIcon, int statusType,
int networkType, int volteIcon, int qsType, boolean activityIn, boolean activityOut,
String typeContentDescription, String description, boolean isWide, int subId,
boolean roaming, boolean isDefaultData, int customizedState) {
Log.i("ccz","StatusBarSignalPolicy setMobileDataIndicators()");
MobileIconState state = getState(subId);
if (state == null) {
return;
}
.....
//cczheng add for operator because description is unless
state.mOperator = description;
Log.e("ccz","mMobileStrengthId="+statusIcon.icon);
// Always send a copy to maintain value type semantics
mIconController.setMobileIcons(mSlotMobile, MobileIconState.copyStates(mMobileStates));
}

vendor\mediatek\proprietary\packages\apps\SystemUI\src\com\android\systemui\statusbar\StatusBarMobileView.java
public class StatusBarMobileView extends FrameLayout implements DarkReceiver,
StatusIconDisplayable {
private static final String TAG = "StatusBarMobileView";
....
//cczheng add
private ImageView mMobileDataActivity;
private TextView mOperatorType;
private void init() {
....
mNetworkType = findViewById(R.id.network_type);
mVolteType = findViewById(R.id.volte_indicator_ext);
/// @}
mMobileDataActivity = findViewById(R.id.data_inout);
mOperatorType = findViewById(R.id.tv_operator);
mMobileDrawable = new SignalDrawable(getContext());
//cczheng annotaion don't use system full style
//mMobile.setImageDrawable(mMobileDrawable);
initDotView();
mIsWfcEnable = SystemProperties.get("persist.vendor.mtk_wfc_support").equals("1");
/// M: Add for Plugin feature @ {
mStatusBarExt = OpSystemUICustomizationFactoryBase.getOpFactory(mContext)
.makeSystemUIStatusBar(mContext);
/// @ }
}
private void initViewState() {
setContentDescription(mState.contentDescription);
if (!mState.visible) {
mMobileGroup.setVisibility(View.GONE);
} else {
mMobileGroup.setVisibility(View.VISIBLE);
}
//cczheng don't use system style change empty line style 注释原来的实心信号格
//mMobileDrawable.setLevel(mState.strengthId);
mMobile.setImageResource(mState.strengthId);
//show date in out icon 数据流量小箭头
mMobileDataActivity.setImageResource(getDataActivityIcon(mState.activityIn, mState.activityOut));
if (mState.typeId   0) {
if (!mStatusBarExt.disableHostFunction()) {
mMobileType.setContentDescription(mState.typeContentDescription);
mMobileType.setImageResource(mState.typeId);
}
//cczheng hide small datatype icon x or 4G
mMobileType.setVisibility(View.GONE /*View.VISIBLE*/);
} else {
mMobileType.setVisibility(View.GONE);
}
mMobileRoaming.setVisibility(mState.roaming ? View.VISIBLE : View.GONE);
mIn.setVisibility(mState.activityIn ? View.VISIBLE : View.GONE);
mOut.setVisibility(mState.activityIn ? View.VISIBLE : View.GONE);
//mInoutContainer.setVisibility((mState.activityIn || mState.activityOut)
// ? View.VISIBLE : View.GONE);
mMobileDataActivity.setVisibility(mState.typeId != 0 ? View.VISIBLE : View.GONE);
/// M: Add for [Network Type and volte on Statusbar] @{
setCustomizeViewProperty();
/// @}
showWfcIfAirplaneMode();
/// M: Add data group for plugin feature. @ {
mStatusBarExt.addCustomizedView(mState.subId, mContext, mMobileGroup);
setCustomizedOpViews();
/// @ }
}
private void updateState(MobileIconState state) {
setContentDescription(state.contentDescription);
if (mState.visible != state.visible) {
mMobileGroup.setVisibility(state.visible ? View.VISIBLE : View.GONE);
// To avoid StatusBarMobileView will not show in extreme case,
// force request layout once if visible state changed.
requestLayout();
}
if (mState.strengthId != state.strengthId) {
//cczheng don't use system style change empty line style
//mMobileDrawable.setLevel(state.strengthId);
mMobile.setImageResource(state.strengthId);
}
//show date in out icon 
mMobileDataActivity.setImageResource(getDataActivityIcon(state.activityIn, state.activityOut));
if (mState.typeId != state.typeId) {
if (state.typeId != 0) {
if (!mStatusBarExt.disableHostFunction()) {
mMobileType.setContentDescription(state.typeContentDescription);
mMobileType.setImageResource(state.typeId);
}
//cczheng hide small datatype icon x or 4G
//数据流量标识 mMobileDataActivity 替代 mMobileType
mMobileType.setVisibility(View.GONE /*View.VISIBLE*/);
} else {
mMobileType.setVisibility(View.GONE);
}
}
mMobileRoaming.setVisibility(state.roaming ? View.VISIBLE : View.GONE);
mIn.setVisibility(state.activityIn ? View.VISIBLE : View.GONE);
mOut.setVisibility(state.activityIn ? View.VISIBLE : View.GONE);
//mInoutContainer.setVisibility((state.activityIn || state.activityOut)
// ? View.VISIBLE : View.GONE);
mMobileDataActivity.setVisibility(state.typeId != 0 ? View.VISIBLE : View.GONE);
/// M: Add for [Network Type and volte on Statusbar] @{
if (mState.networkIcon != state.networkIcon) {
setNetworkIcon(state.networkIcon);
}
if (mState.volteIcon != state.volteIcon) {
setVolteIcon(state.volteIcon);
}
if (mState.mOperator != state.mOperator) {
setOperatorText(state.mOperator);
}
if (mState.mCustomizedState != state.mCustomizedState
|| mState.networkIcon != state.networkIcon) {
// if cs reg state has changed or network icon change to LTE,need to update.
mStatusBarExt.setDisVolteView(mState.subId, state.volteIcon, mVolteType);
}
/// @}
mState = state;
// should added after set mState
showWfcIfAirplaneMode();
setCustomizedOpViews();
}
//cczheng add for data in out icon [S] 
final int DATA_ACTIVITY_NONE = R.drawable.ct_stat_sys_signal_not_inout;
final int DATA_ACTIVITY_IN = R.drawable.ct_stat_sys_signal_in;
final int DATA_ACTIVITY_OUT = R.drawable.ct_stat_sys_signal_out;
final int DATA_ACTIVITY_INOUT = R.drawable.ct_stat_sys_signal_inout;
/**
* M: getDataActivityIcon: Get DataActivity icon by dataActivity type.
* @param activityIn : dataActivity Type
* @param activityOut : dataActivity Type
* @return dataActivity icon ID
*/
public int getDataActivityIcon(boolean activityIn, boolean activityOut) {
Log.i("ccz", "mActivityIn="+activityIn+" mActivityOut="+activityOut); 
int icon = DATA_ACTIVITY_NONE;
if (activityIn && activityOut) {
icon = DATA_ACTIVITY_INOUT;
}else if (activityIn) {
icon = DATA_ACTIVITY_IN;
}else if (activityOut) {
icon = DATA_ACTIVITY_OUT;
}
return icon;
}
//cczheng add for data in out icon [S] 
private void setOperatorText(String mOperator){
if ("0".equals(mOperator)) {
mOperatorType.setVisibility(View.GONE);
} else {
mOperatorType.setText(mOperator);
mOperatorType.setVisibility(View.VISIBLE);
}
}

<com.android.systemui.statusbar.StatusBarMobileView
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:systemui="http://schemas.android.com/apk/res-auto"
android:id="@+id/mobile_combo"
android:layout_width="wrap_content"
android:layout_height="match_parent"
android:gravity="center_vertical"  
<com.android.keyguard.AlphaOptimizedLinearLayout
android:id="@+id/mobile_group"
android:layout_width="wrap_content"
android:layout_height="match_parent"
android:gravity="center_vertical"
android:orientation="horizontal"  
<ImageView
android:id="@+id/volte_indicator_ext"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center_vertical"
android:visibility="gone"
/ 
<!-- <ImageView
android:id="@+id/network_type"
android:layout_height="wrap_content"
android:layout_width="wrap_content"
android:layout_gravity="center_vertical"
android:visibility="gone"
/  -- 
<!-- cczheng annotaion network_type and add data in out view-- 
<FrameLayout
android:layout_height="17dp"
android:layout_width="wrap_content" 
<ImageView
android:id="@+id/network_type"
android:layout_height="wrap_content"
android:layout_width="wrap_content"
android:paddingEnd="2dp"
android:visibility="gone"/ 
<ImageView
android:id="@+id/data_inout"
android:layout_height="wrap_content"
android:layout_width="wrap_content"
android:paddingEnd="2dp"
android:visibility="gone"/ 
</FrameLayout  
<!-- end -- 
.......
<ImageView
android:id="@+id/mobile_roaming"
android:layout_width="wrap_content"
android:layout_height="17dp"
android:paddingStart="1dp"
android:paddingTop="1.5dp"
android:paddingBottom="3dp"
android:paddingEnd="1dp"
android:scaleType="fitCenter"
android:src="@drawable/stat_sys_roaming_ext"
android:contentDescription="@string/data_connection_roaming"
android:visibility="gone" / 
<!-- cczheng add for sim operator -- 
<TextView
android:id="@+id/tv_operator"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:visibility="gone"/ 
</com.android.keyguard.AlphaOptimizedLinearLayout 
</com.android.systemui.statusbar.StatusBarMobileView