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安装apk慢是因为dex2oat行为导致的,要优化可以牺牲一些检查,强制用vmSafeMode去安装,facebook举例,低端机器从安装10分钟改善为1分钟不到。修改方法如下:   1 diff --git a/base/services/core/java/com/android/server/pm/PackageDexOptimizer.java b/base/services/core/java/com/android/server/pm/PackageDexOptimizer.java   2 index f35552d..8ae1e13 100644   3 --- a/base/s ...
  1 diff --git a/base/services/core/java/com/android/server/pm/PackageManagerService.java b/base/services/core/java/com/android/server/pm/PackageManagerService.java   2 index 9af1605..cd1ddf3 100644   3 --- a/base/services/core/java/com/android/server/pm/PackageManagerService.java   4 +++ b/base/serv ...
Runtime permission介绍: -M版本,若app支持新的permission模式,用户在安装或升级app时就不会获取到任何runtime权限 -App需要在使用permission前请求权限 -用户可以在“设置->应用”菜单选择app然后修改app的权限设置 -仅对SDK大于等于23的app生效(M版本后,Google XTS测试项要求app SDK需大于等于23,否则fail) -不是所有的permission都是runtime permissions -用protection level来区分permission      -只有dangerous permission ...
google在external storage的权限限制导致的原因 要解决问题,需要给external storage 一个media rw权限就可以 diff --git a/base/services/core/java/com/android/server/SystemConfig.java b/base/services/core/java/com/android/server/SystemConfig.java index cf2a49f..88dd54d 100644 --- a/base/services/core/java/com/android/server/SystemCo ...
修改framework android policy 在PhoneWindowmanager.java中做如下修改即可          if (keyCode == KeyEvent.KEYCODE_HOME) {              // If we have released the home key, and didn't do anything else              // while it was pressed, then it is time to go home! +/* Thu, 29 Jan 2015 17:24:38 +0800 + * + */ ...
1.在源码的根目录下 cd vendor mkdir customizeapk  在 customizeapk 下再次创建 custom 文件夹 将要编译的apk 放在custom目录中 注意文件名不要带空格、非法字符如中文符号、#、()等 2.编写android.mk,内容如下: LOCAL_PATH:= $(my-dir) copy_from := \ HAS_CUSTOM:= $(shell test -d $(LOCAL_PATH)/custom && echo yes) ifeq ($(HAS_CUSTOM), yes)     $(shell mkdir -p ...
[Description] 如何修改默认输入法? [Solution] 一、适用于ICS(Android V4.0)之前的版本: 1. 安装需要用的默认输入法(.apk)到system/app 2. 修改文件 frameworks/base/packages/SettingsProvider/res/values/defaults.xml <string name="default_input_method" translatable="false">默认输入法 ID</string> 红色标记表示输入法 ID,比如 PinyinI ...
mtk 相机差值都做在对应sensor的config featue table中,差值直白点就是自定义一个像素大小,比如640x480 举个例子: 5M ov5640摄像头,差值到8M,可以在其feature table中的picture size数组中,添加入一个8M像素大小 3264x2448 那么这个值怎么来的呢?根据计算得来的,例如axb,要得到一个8M像素,需满足如下条件: 1.a * b 约等于 8000000 2.a ,b 都是16的倍数 3.a:b = 4:3(正常都是4:3,还有全屏比如qhd 16:9等) 当然,sensor那边加入,如果上层应用不加,那么应用是不会显 ...
可以在ProjectConfig.mk中打开以下宏 MTK_LCA_RAM_OPTIMIZE = yes RESOURCE_OVERLAY_SUPPORT 里面加入 LCA_ram
public class SoftListAdapter extends BaseAdapter { private Context context; private ArrayList<Map<String, Object>> list; public SoftListAdapter(Context con, ArrayList<Map<String, Object>> lis) { this.context = con; this.list = lis; } // 决定 getView循环几次 @Ov ...
public class MySimpleCursorAdapter extends SimpleCursorAdapter { private LayoutInflater mInflater; private OnMyAdaptertListener mListener; int[] ids; String[] str; int layoutId; @SuppressWarnings("deprecation") public MySimpleCursorAdapter(Context context, int layout, Cursor ...
PackageManager pkgManager = mContext.getPackageManager(); // 需要system权限 PackageDeleteObserver observer = new PackageDeleteObserver(currVirus, 1); pkgManager.deletePackage(pakName, observer, 0); private class PackageDeleteObserver extends IPackageDeleteObserver.Stub { private int posit ...
// 根据设置,是否发送短信 public static void autoSendMsg(Context context, String number) { if (HouseKeeperPreferences.getAutoSendMsgConfig(context)) {//判断自动发送配置是否打开 SmsManager smsManager = SmsManager.getDefault(); String smsText = HouseKeeperPreferences .getSmsContentConfig(context);//保存的自动回 ...
private void playRingTone() { if (HouseKeeperPreferences.getInComingCallConfig(mContext)) { Uri alert = Uri.parse(HouseKeeperPreferences .getRingToneConfig(mContext));//这里的String是音乐文件路径,可很好的结合RingTonePreferences组件使用 final MediaPlayer mMediaPlayer = new MediaPlayer(); try { ...
直接上Patch --- AlarmKlaxon.java.bk 2012-08-28 10:50:19.737235871 +0800 +++ AlarmKlaxon.java 2012-08-28 10:50:12.167235883 +0800 @@ -49,7 +49,7 @@ */ public class AlarmKlaxon extends Service { // Default of 10 minutes until alarm is silenced. - private static final String DEFAULT_ALARM_ ...
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