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Android9.0 SystemUI 網路信號欄定制修改

2020-09-15 20:43:24 移動端開發

前情提要

Android 8.1平臺SystemUI 導航欄加載流程決議

9.0 改動點簡要說明

1、新增 StatusBarMobileView 替代 SignalClusterView,用以控制信號欄顯示

同時增加的還有 StatusBarIconViewStatusBarWifiView

2、整體流程和 8.1 類似

效果圖

MGOzPU.png

整體流程圖

上代碼

MGjUk6.png

先來看初始賦值的地方 MobileSignalController.java,在 notifyListeners() 方法中進行我們對應的定制,

最后通過 callback.setMobileDataIndicators() 將狀態值傳遞到 StatusBarSignalPolicy.java 決議顯示

vendor\mediatek\proprietary\packages\apps\SystemUI\src\com\android\systemui\statusbar\policy\MobileSignalController.java

@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]
			//通過 getSignalStrengthIcon 方法,根據自定義規則,回傳要顯示對應資源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{//未連接成功時顯示 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
		//通過 description 傳遞運營商資訊
        description = mCurrentState.operator;
        // for qsdatetype
        qsTypeIcon = mCurrentState.mQsDataType;

        /// @ }
        //cczheng add  for when datadisable set mMobileDataActivity GONE [S]
		//資料網路關閉時,id 置為0,不顯示上下行小箭頭
        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); 
    }

根據通用標準自定義顯示規則

dbm >= -107 4格

-107 > dbm >= -111 3格

-111 > dbm >= -114 2格

-114 > dbm >= -117 1格

vendor\mediatek\proprietary\packages\apps\SystemUI\src\com\android\systemui\statusbar\policy\TelephonyIcons.java

	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];
    }

舍棄原來的網路大圖示,新增網路小圖示,這樣可以在下方顯示網路資料圖示

vendor\mediatek\proprietary\packages\apps\SystemUI\src\com\mediatek\systemui\statusbar\networktype\NetworkTypeUtils.java

//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;
}

StatusBarSignalPolicy 通過 description 傳遞運營商型別

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));

}

StatusBarMobileView 獲取傳遞的資源id值顯示對應的圖示

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 注釋原來的實心信號格
        //mMobileDrawable.setLevel(mState.strengthId);
        mMobile.setImageResource(mState.strengthId);
        //show  date in out icon 資料流量小箭頭
        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
				//資料流量標識 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);
        }
    }

StatusBarMobileView 對應布局檔案 status_bar_mobile_signal_group 修改

vendor\mediatek\proprietary\packages\apps\SystemUI\res\layout\status_bar_mobile_signal_group.xml

<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=https://www.cnblogs.com/cczheng-666/p/"@drawable/stat_sys_roaming_ext"
            android:contentDescription="@string/data_connection_roaming"
            android:visibility="gone" />
        
        
    




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    Dagger2是一個IOC框架,一般用于Android平臺,第一次接觸的朋友,一定會被搞得暈頭轉向。它延續了Java平臺Spring框架代碼碎片化,注解滿天飛的傳統。嘗試將各處代碼片段串聯起來,理清思緒,真不是件容易的事。更不用說還有各版本細微的差別。 與Spring不同的是,Spring是通過反射 ......

    uj5u.com 2020-09-10 06:57:59 more
  • Flutter Weekly Issue 66

    新聞 Flutter 季度調研結果分享 教程 Flutter+FaaS一體化任務編排的思考與設計 詳解Dart中如何通過注解生成代碼 GitHub 用對了嗎?Flutter 團隊分享如何管理大型開源專案 插件 flutter-bubble-tab-indicator A Flutter librar ......

    uj5u.com 2020-09-10 06:58:52 more
  • Proguard 常用規則

    介紹 Proguard 入口,如何查看輸出,如何使用 keep 設定入口以及使用實體,如何配置壓縮,混淆,校驗等規則。

    ......

    uj5u.com 2020-09-10 06:59:00 more
  • Android 開發技術周報 Issue#292

    新聞 Android即將獲得類AirDrop功能:可向附近設備快速分享檔案 谷歌為安卓檔案管理應用引入可安全隱藏資料的Safe Folder功能 Android TV新主界面將顯示電影、電視節目和應用推薦內容 泄露的Android檔案暗示了傳說中的谷歌Pixel 5a與折疊屏新機 谷歌發布Andro ......

    uj5u.com 2020-09-10 07:00:37 more
  • AutoFitTextureView Error inflating class

    報錯: Binary XML file line #0: Binary XML file line #0: Error inflating class xxx.AutoFitTextureView 解決: <com.example.testy2.AutoFitTextureView android: ......

    uj5u.com 2020-09-10 07:00:41 more
  • 根據Uri,Cursor沒有獲取到對應的屬性

    Android: 背景:呼叫攝像頭,拍攝視頻,指定保存的地址,但是回傳的Cursor檔案,只有名稱和大小的屬性,沒有其他諸如時長,連ID屬性都沒有 使用 cursor.getInt(cursor.getColumnIndexOrThrow(MediaStore.Video.Media.DURATIO ......

    uj5u.com 2020-09-10 07:00:44 more
  • Android連載29-持久化技術

    一、持久化技術 我們平時所使用的APP產生的資料,在記憶體中都是瞬時的,會隨著斷電、關機等丟失資料,因此android系統采用了持久化技術,用于存盤這些“瞬時”資料 持久化技術包括:檔案存盤、SharedPreference存盤以及資料庫存盤,還有更復雜的SD卡記憶體儲。 二、檔案存盤 最基本存盤方式, ......

    uj5u.com 2020-09-10 07:00:47 more
  • Android Camera2Video整合到自己專案里

    背景: Android專案里呼叫攝像頭拍攝視頻,原本使用的 MediaStore.ACTION_VIDEO_CAPTURE, 后來因專案需要,改成了camera2 1.Camera2Video 官方demo有點問題,下載后,不能直接整合到專案 問題1.多次拍攝視頻崩潰 問題2.雙擊record按鈕, ......

    uj5u.com 2020-09-10 07:00:50 more
  • Android 開發技術周報 Issue#293

    新聞 谷歌為Android TV開發者提供多種新功能 Android 11將自動填表功能整合到鍵盤輸入建議中 谷歌宣布Android Auto即將支持更多的導航和數字停車應用 谷歌Pixel 5只有XL版本 搭載驍龍765G且將比Pixel 4更便宜 [圖]Wear OS將迎來重磅更新:應用啟動時間 ......

    uj5u.com 2020-09-10 07:01:38 more
  • 海豚星空掃碼投屏 Android 接收端 SDK 集成 六步驟

    掃碼投屏,開放網路,獨占設備,不需要額外下載軟體,微信掃碼,發現設備。支持標準DLNA協議,支持倍速播放。視頻,音頻,圖片投屏。好點意思。還支持自定義基于 DLNA 擴展的操作動作。好像要收費,沒體驗。 這里簡單記錄一下集成程序。 一 跟目錄的build.gradle添加私有mevan倉庫 mave ......

    uj5u.com 2020-09-10 07:01:43 more
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  • 歡迎頁輪播影片

    如圖,引導開始,球從上落下,同時淡入文字,然后文字開始輪播,最后一頁時停止,點擊進入首頁。 在來看看效果圖。 重力球先不講,主要歡迎輪播簡單實作 首先新建一個類 TextTranslationXGuideView,用于影片展示 文本是類似的,最后會有個圖片箭頭影片,布局很簡單,就是一個 TextVi ......

    uj5u.com 2023-04-20 08:40:31 more
  • 【FAQ】關于華為推送服務因營銷訊息頻次管控導致服務通訊類訊息

    一. 問題描述 使用華為推送服務下發IM訊息時,下發訊息請求成功且code碼為80000000,但是手機總是收不到訊息; 在華為推送自助分析(Beta)平臺查看發現,訊息發送觸發了頻控。 二. 問題原因及背景 2023年1月05日起,華為推送服務對咨詢營銷類訊息做了單個設備每日推送數量上限管理,具體 ......

    uj5u.com 2023-04-20 08:40:11 more
  • 歡迎頁輪播影片

    如圖,引導開始,球從上落下,同時淡入文字,然后文字開始輪播,最后一頁時停止,點擊進入首頁。 在來看看效果圖。 重力球先不講,主要歡迎輪播簡單實作 首先新建一個類 TextTranslationXGuideView,用于影片展示 文本是類似的,最后會有個圖片箭頭影片,布局很簡單,就是一個 TextVi ......

    uj5u.com 2023-04-20 08:39:36 more
  • 【FAQ】關于華為推送服務因營銷訊息頻次管控導致服務通訊類訊息

    一. 問題描述 使用華為推送服務下發IM訊息時,下發訊息請求成功且code碼為80000000,但是手機總是收不到訊息; 在華為推送自助分析(Beta)平臺查看發現,訊息發送觸發了頻控。 二. 問題原因及背景 2023年1月05日起,華為推送服務對咨詢營銷類訊息做了單個設備每日推送數量上限管理,具體 ......

    uj5u.com 2023-04-20 08:39:13 more
  • iOS從UI記憶體地址到讀取成員變數(oc/swift)

    開發除錯時,我們發現bug時常首先是從UI顯示發現例外,下一步才會去定位UI相關連的資料的。XCode有給我們提供一系列debug工具,但是很多人可能還沒有形成一套穩定的除錯流程,因此本文嘗試解決這個問題,順便提出一個暴論:UI顯示例外問題只需要兩個步驟就能完成定位作業的80%: 定位例外 UI 組 ......

    uj5u.com 2023-04-19 09:16:23 more
  • FIDE重磅更新!性能飛躍!體驗有禮!

    FIDE 開發者工具重構升級啦!實作500%性能提升,誠邀體驗! 一直以來不少開發者朋友在社區反饋,在使用 FIDE 工具的程序中,時常會遇到諸如加載不及時、代碼預覽/渲染性能不如意的情況,十分影響開發體驗。 作為技術團隊,我們深知一件趁手的開發工具對開發者的重要性,因此,在2023年開年,FinC ......

    uj5u.com 2023-04-19 09:16:15 more
  • 游戲內嵌社區服務開放,助力開發者提升玩家互動與留存

    華為 HMS Core 游戲內嵌社區服務提供快速訪問華為游戲中心論壇能力,支持玩家直接在游戲內瀏覽帖子和交流互動,助力開發者擴展內容生產和觸達的場景。 一、為什么要游戲內嵌社區? 二、游戲內嵌社區的典型使用場景 1、游戲內打開論壇 您可以在游戲內繪制論壇入口,為玩家提供沉浸式發帖、瀏覽、點贊、回帖、 ......

    uj5u.com 2023-04-19 09:15:46 more
  • iOS從UI記憶體地址到讀取成員變數(oc/swift)

    開發除錯時,我們發現bug時常首先是從UI顯示發現例外,下一步才會去定位UI相關連的資料的。XCode有給我們提供一系列debug工具,但是很多人可能還沒有形成一套穩定的除錯流程,因此本文嘗試解決這個問題,順便提出一個暴論:UI顯示例外問題只需要兩個步驟就能完成定位作業的80%: 定位例外 UI 組 ......

    uj5u.com 2023-04-19 09:14:53 more
  • FIDE重磅更新!性能飛躍!體驗有禮!

    FIDE 開發者工具重構升級啦!實作500%性能提升,誠邀體驗! 一直以來不少開發者朋友在社區反饋,在使用 FIDE 工具的程序中,時常會遇到諸如加載不及時、代碼預覽/渲染性能不如意的情況,十分影響開發體驗。 作為技術團隊,我們深知一件趁手的開發工具對開發者的重要性,因此,在2023年開年,FinC ......

    uj5u.com 2023-04-19 09:14:08 more
  • 游戲內嵌社區服務開放,助力開發者提升玩家互動與留存

    華為 HMS Core 游戲內嵌社區服務提供快速訪問華為游戲中心論壇能力,支持玩家直接在游戲內瀏覽帖子和交流互動,助力開發者擴展內容生產和觸達的場景。 一、為什么要游戲內嵌社區? 二、游戲內嵌社區的典型使用場景 1、游戲內打開論壇 您可以在游戲內繪制論壇入口,為玩家提供沉浸式發帖、瀏覽、點贊、回帖、 ......

    uj5u.com 2023-04-19 09:08:34 more