SystemUI常见问题修改方法

AndroidO,AndroidP SystemUI问题修改笔记

修改NavigationBar ‘back’ 触控范围
SystemUI/src/com/android/systemui/statusbar/phone/NearestTouchFrame.java

    @VisibleForTestingNearestTouchFrame(Context context, AttributeSet attrs, Configuration c) {super(context, attrs);//mIsActive = c.smallestScreenWidthDp < 600;mIsActive = false}

修改阿拉伯语布局NavigationBar顺序
只需要修改config.xml中如下值的顺序即可(ps:图片需要单独修改)

<string name="config_navBarLayout" translatable="false">left,recent;home;back,right</string>

back按键的处理在onBackPressed()方法中
SystemUI/src/com/android/systemui/statusbar/phone/StatusBarKeyguardViewManager.java

 /*** Notifies this manager that the back button has been pressed.** @param hideImmediately Hide bouncer when {@code true}, keep it around otherwise.*                        Non-scrimmed bouncers have a special animation tied to the expansion*                        of the notification panel.* @return whether the back press has been handled*/public boolean onBackPressed(boolean hideImmediately) {Log.d(TAG, "onBackPressed()");if (mBouncer.isShowing()) {mStatusBar.endAffordanceLaunch();reset(true/*hideImmediately*/);//add by dongjiao.tang@tcl.com for defect 7216010///M : fix ALPS01852958, clear mAfterKeyguardGoneAction when leaving bouncer.mAfterKeyguardGoneAction = null ;return true;}if (DEBUG) Log.d(TAG, "onBackPressed() - reset & return false");return false;}

screen pinnerUI处理需要修改如下两个值
res/values/dimens.xml

<dimen name="screen_pinning_request_button_height">85dp</dimen>
<dimen name="screen_pinning_request_nav_icon_padding">0dp</dimen>

隐藏MTK原生的SIM ME LOCK需要修改
SystemUI/src/com/android/keyguard/KeyguardSecurityModel.java
其中注释// check ME required，修改其中一个值为false就行了

   public boolean isPinPukOrMeRequiredOfPhoneId(int phoneId) {KeyguardUpdateMonitor updateMonitor = KeyguardUpdateMonitor.getInstance(mContext);if (updateMonitor != null) {final IccCardConstants.State simState = updateMonitor.getSimStateOfPhoneId(phoneId);Log.d(TAG, "isPinPukOrMeRequiredOfSubId() - phoneId = " + phoneId +", simState = " + simState) ;return (// check PIN required(simState == IccCardConstants.State.PIN_REQUIRED&& !updateMonitor.getPinPukMeDismissFlagOfPhoneId(phoneId))// check PUK required|| (simState == IccCardConstants.State.PUK_REQUIRED&& !updateMonitor.getPinPukMeDismissFlagOfPhoneId(phoneId)&& updateMonitor.getRetryPukCountOfPhoneId(phoneId) != 0)// check ME required|| (simState == IccCardConstants.State.NETWORK_LOCKED&& !updateMonitor.getPinPukMeDismissFlagOfPhoneId(phoneId)&& updateMonitor.getSimMeLeftRetryCountOfPhoneId(phoneId) != 0&& KeyguardUtils.isMediatekSimMeLockSupport()&& !updateMonitor.getSimmeDismissFlagOfPhoneId(phoneId)&& KeyguardUtils.isSimMeLockValid(phoneId)&&isShowSimMeLock));} else {return false;}}

锁屏界面底部shortcut图标启动应用涉及到如下几个类
SystemUI/src/com/android/systemui/statusbar/phone/KeyguardBottomAreaView.java

private void launchMessage() {Intent messageIntent = new Intent();mActivityStarter.startActivity(messageIntent, true);}

SystemUI/src/com/android/systemui/ActivityStarterDelegate.java

 @Overridepublic void startActivity(Intent intent, boolean dismissShade, Callback callback) {if (mActualStarter == null) return;mActualStarter.startActivity(intent, dismissShade, callback);}

SystemUI/src/com/android/systemui/statusbar/phone/StatusBar.java

@Overridepublic void startActivity(Intent intent, boolean dismissShade, Callback callback) {startActivityDismissingKeyguard(intent, false, dismissShade, callback);}//隐藏NotificationPanelViewmStatusBarView.collapsePanel(true, false /* delayed */, 100.0f /* speedUpFactor */);

禁用锁屏代码

 private void setLockScreenisDisable(){LockPatternUtils lockPatternUtils = new LockPatternUtils(mContext);if(lockPatternUtils == null)return;boolean isOTA;try {if(AppGlobals.getPackageManager() == null)return;isOTA = AppGlobals.getPackageManager().isUpgrade();Log.d(TAG,"setLockScreenisDisable...isOTA = :"+isOTA+",isLockScreenDisable = :"+(lockPatternUtils.isLockScreenDisabled(UserHandle.USER_OWNER))+",!ro.lockscreen.disable.default = :"+(!(SystemProperties.getBoolean("ro.lockscreen.disable.default", false))));} catch (RemoteException e) {throw new IllegalStateException("Package manager not available");}if(lockPatternUtils.isLockScreenDisabled(UserHandle.USER_OWNER) && isOTA && !(SystemProperties.getBoolean("ro.lockscreen.disable.default", false))){lockPatternUtils.setLockScreenDisabled(false, UserHandle.USER_OWNER);}}

插拔SIM卡之后，原来的pin/password/pattern会缩小，原因是Android原生没有考虑锁屏加入其他
buncer的情况
SystemUI/src/com/android/keyguard/KeyguardSecurityViewFlipper.java

@Overrideprotected void onMeasure(int widthSpec, int heightSpec) {....for (int i = 0; i < count; i++) {final View child = getChildAt(i);final LayoutParams lp = (LayoutParams) child.getLayoutParams();//add by dongjiao.tang@tcl.com for defect 7485624 beginif(child.getVisibility() == View.INVISIBLE || child.getVisibility() == View.GONE){continue;}//add by dongjiao.tang@tcl.com for defect 7485624 end......}

Home键在PhoneWindowManager.java中的调用

void launchHomeFromHotKey(final boolean awakenFromDreams, final boolean respectKeyguard)

中文或者日语中使用plurals类型字符串不管单数复数都只会使用other，不会区分单复数，使用plurals时要特别注意中文和日语
隐藏QuickSettings代码

SystemUI/src/com/android/systemui/statusbar/phone/StatusBarKeyguardViewManager.java

                if (mBouncer.isShowing()) {if (mShowing) {mStatusBar.hideKeyguard();mBouncer.hide(false /* destroyView */);KeyguardUpdateMonitor.getInstance(mContext).sendKeyguardReset();updateStates();}}

SIM卡的View和password的View都在一个父类里面，未插SIM卡测量的寬高和插了SIM卡测量的寬高发生了变化导致password向上浮动，添加：android:layout_gravity=“bottom”
SystemUI/res-keyguard/layout/keyguard_password_view.xml

<com.android.keyguard.KeyguardPasswordViewxmlns:android="http://schemas.android.com/apk/res/android"xmlns:androidprv="http://schemas.android.com/apk/res-auto"android:id="@+id/keyguard_password_view"android:orientation="vertical"android:layout_width="match_parent"android:layout_height="wrap_content"android:layout_gravity="bottom"androidprv:layout_maxWidth="@dimen/keyguard_security_width"androidprv:layout_maxHeight="@dimen/keyguard_security_height"android:gravity="bottom">

framework层有关锁屏密码长度的代码
services/devicepolicy/java/com/android/server/devicepolicy/DevicePolicyManagerService.java

//PasswordMetrics 存储密码的矩阵
public void setActivePasswordState(PasswordMetrics metrics, int userHandle)

定制默认锁屏壁纸需求
SystemUI/res-keyguard/drawable-xhdpi/default_lock_wallpaper.jpg
SystemUI/src/com/android/systemui/statusbar/phone/LockscreenWallpaper.java

public LockscreenWallpaper(Context ctx, StatusBar bar, Handler h) {......//add by dongjiao.tang@tcl.com for defect 9245999 beginif(isFristBoot()){mWallpaperManager.setStream(mContext.getResources().openRawResource(R.drawable.default_lock_wallpaper),null,true,WallpaperManager.FLAG_LOCK);Settings.System.putInt(mContext.getContentResolver(), "isDefaultWallpaper",1);}else{Settings.System.putInt(mContext.getContentResolver(), "isDefaultWallpaper",0);}//add by dongjiao.tang@tcl.com for defect 9245999 begin} catch (RemoteException e) {Log.e(TAG, "System dead?" + e);} catch (IOException e) {Log.e(TAG, "Exception = :" + e);}}}//add by dongjiao.tang@tcl.com for defect 9245999 beginprivate boolean isFristBoot(){IPackageManager pm = AppGlobals.getPackageManager();try {return pm.isFirstBoot();} catch (RemoteException e) {throw e.rethrowFromSystemServer();}}//add by dongjiao.tang@tcl.com for defect 9245999 end//frameworks/base/core/java/android/app/WallpaperManager.javapublic ParcelFileDescriptor getWallpaperFile(@SetWallpaperFlags int which, int userId) {//add by dongjiao.tang@tcl.com for defect 9245999 beginif(Settings.System.getInt(mContext.getContentResolver(), "isDefaultWallpaper",-1)==1 && which==2){String pkg = mContext.getPackageName();if(pkg.startsWith("com.android.cts") || pkg.startsWith("com.android.vts") || pkg.contains("gts"))return null;}//add by dongjiao.tang@tcl.com for defect 9245999 end......
}

插入SIM卡，点击Emergency之后再返回SIM PIN界面，QuickSettings会下拉下来

修改代码
SystemUI/src/com/android/systemui/statusbar/phone/PanelView.java

public void expand(final boolean animate){......getViewTreeObserver().addOnGlobalLayoutListener(new ViewTreeObserver.OnGlobalLayoutListener() {@Overridepublic void onGlobalLayout() {if (!mInstantExpanding) {getViewTreeObserver().removeOnGlobalLayoutListener(this);return;}//add by dongjiao.tang@tcl.com for defect 7226148 beginif (mStatusBar.getStatusBarWindow().getHeight()!= mStatusBar.getStatusBarHeight()&&!mStatusBar.isBouncerShowing()|| (mStatusBar.isKeyguardSecure() ?mStatusBar.getBarState() != StatusBarState.SHADE : true)) {//add by dongjiao.tang@tcl.com for defect 7226148 end......
}

锁屏notification渐变度设置
vendor/mediatek/proprietary/packages/apps/SystemUI/src/com/android/systemui/statusbar/phone/NotificationPanelView.java

private void updateNotificationTranslucency() {float alpha = 1f;if (mClosingWithAlphaFadeOut && !mExpandingFromHeadsUp &&!mHeadsUpManager.hasPinnedHeadsUp()) {alpha = getFadeoutAlpha();}if (mBarState == StatusBarState.KEYGUARD && !mHintAnimationRunning) {alpha *= mClockPositionResult.clockAlpha;}//add by dongjiao.tang@tcl.com for defect 8503312 beginif(!mUnlockMethodCache.isMethodSecure() && mNotificationStackScroller.getAlpha() != 1 && mNotificationStackScroller.getAlpha() != 0){mStatusBar.getLockIcon().setAlpha(alpha);}//add by dongjiao.tang@tcl.com for defect 8503312 endmNotificationStackScroller.setAlpha(alpha);}

StatusBar状态设置代码在StatusBarWindowController的apply方法里，包括高度，宽度：

private void apply(State state) {applyKeyguardFlags(state);applyForceStatusBarVisibleFlag(state);applyFocusableFlag(state);applyForceShowNavigationFlag(state);adjustScreenOrientation(state);applyHeight(state);applyUserActivityTimeout(state);applyInputFeatures(state);applyFitsSystemWindows(state);applyModalFlag(state);applyBrightness(state);applyHasTopUi(state);applyNotTouchable(state);applyStatusBarColorSpaceAgnosticFlag(state);if (mLp != null && mLp.copyFrom(mLpChanged) != 0) {//寬高封装在mLpmWindowManager.updateViewLayout(mStatusBarView, mLp);}if (mHasTopUi != mHasTopUiChanged) {try {mActivityManager.setHasTopUi(mHasTopUiChanged);} catch (RemoteException e) {Log.e(TAG, "Failed to call setHasTopUi", e);}mHasTopUi = mHasTopUiChanged;}notifyStateChangedCallbacks();}

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