[RK3288][Android6.0] 调试笔记 --- user版本默认显示开发者选项

Platform: ROCKCHIP OS: Android 6.0 Kernel: 3.10.92 默认user版本不显示开发者选项这一栏,需要通过连续点击版本号7次来显示. packages\apps\Settings\src\com\android\settings\DeviceInfoSettings.java static final int TAPS_TO_BE_A_DEVELOPER = 7; public void onResume() { super.onResume(); mDevHitCountdown = getActivity().getSharedPreferences(DevelopmentSettings.PREF_FILE, Context.MODE_PRIVATE).getBoolean(DevelopmentSettings.PREF_SHOW, android.os.Build.TYPE.equals("eng")) ? -1 : TAPS_TO_BE_A_DEVELOPER; mDevHitToast = null; } public boolean onPreferenceTreeClick(PreferenceScreen preferenceScreen, Preference preference) { ...... if (mDevHitCountdown > 0) { mDevHitCountdown--; if (mDevHitCountdown == 0) { getActivity().getSharedPreferences(DevelopmentSettings.PREF_FILE, Context.MODE_PRIVATE).edit().putBoolean( DevelopmentSettings.PREF_SHOW, true).apply(); if (mDevHitToast != null) { mDevHitToast.cancel(); } mDevHitToast = Toast.makeText(getActivity(), R.string.show_dev_on, Toast.LENGTH_LONG); mDevHitToast.show(); // This is good time to index the Developer Options Index.getInstance( getActivity().getApplicationContext()).updateFromClassNameResource( DevelopmentSettings.class.getName(), true, true); } else if (mDevHitCountdown > 0 && mDevHitCountdown < (TAPS_TO_BE_A_DEVELOPER-2)) { if (mDevHitToast != null) { mDevHitToast.cancel(); } mDevHitToast = Toast.makeText(getActivity(), getResources().getQuantityString( R.plurals.show_dev_countdown, mDevHitCountdown, mDevHitCountdown), Toast.LENGTH_SHORT); mDevHitToast.show(); } } else if (mDevHitCountdown < 0) { //点击完7次之后显示 if (mDevHitToast != null) { mDevHitToast.cancel(); } mDevHitToast = Toast.makeText(getActivity(), R.string.show_dev_already, Toast.LENGTH_LONG); mDevHitToast.show(); } } ...... } 而默认开机是否显示由变量showDev控制 packages\apps\Settings\src\com\android\settings\SettingsActivity.java private void updateTilesList(List<DashboardCategory> target) { final boolean showDev = mDevelopmentPreferences.getBoolean( DevelopmentSettings.PREF_SHOW, android.os.Build.TYPE.equals("eng")); //因此eng才返回true ...... } else if (id == R.id.development_settings) { if (!showDev || um.hasUserRestriction( UserManager.DISALLOW_DEBUGGING_FEATURES)) { removeTile = true; //showDev为false则不显示 } } } 解决方法: diff --git a/src/com/android/settings/SettingsActivity.java b/src/com/android/settings/SettingsActivity.java index 645add3..11a9c55 100755 --- a/src/com/android/settings/SettingsActivity.java +++ b/src/com/android/settings/SettingsActivity.java @@ -1236,9 +1236,11 @@ public class SettingsActivity extends Activity      }        private void updateTilesList(List<DashboardCategory> target) { -        final boolean showDev = mDevelopmentPreferences.getBoolean( -                DevelopmentSettings.PREF_SHOW, -                android.os.Build.TYPE.equals("eng")); +       /*Kris, 170413, show development options anytime.*/ +      //  final boolean showDev = mDevelopmentPreferences.getBoolean( +           //     DevelopmentSettings.PREF_SHOW, +                //android.os.Build.TYPE.equals("eng")); +         final boolean showDev = true;