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

本文转载自：https://blog.csdn.net/kris_fei/article/details/70157137

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

1. static final int TAPS_TO_BE_A_DEVELOPER = 7;
2. public void onResume() {
3. super.onResume();
4. mDevHitCountdown = getActivity().getSharedPreferences(DevelopmentSettings.PREF_FILE,
5. Context.MODE_PRIVATE).getBoolean(DevelopmentSettings.PREF_SHOW,
6. android.os.Build.TYPE.equals("eng")) ? -1 : TAPS_TO_BE_A_DEVELOPER;
7. mDevHitToast = null;
8. }
9. public boolean onPreferenceTreeClick(PreferenceScreen preferenceScreen, Preference preference) {
10. ......
11. if (mDevHitCountdown > 0) {
12. mDevHitCountdown--;
13. if (mDevHitCountdown == 0) {
14. getActivity().getSharedPreferences(DevelopmentSettings.PREF_FILE,
15. Context.MODE_PRIVATE).edit().putBoolean(
16. DevelopmentSettings.PREF_SHOW, true).apply();
17. if (mDevHitToast != null) {
18. mDevHitToast.cancel();
19. }
20. mDevHitToast = Toast.makeText(getActivity(), R.string.show_dev_on,
21. Toast.LENGTH_LONG);
22. mDevHitToast.show();
23. // This is good time to index the Developer Options
24. Index.getInstance(
25. getActivity().getApplicationContext()).updateFromClassNameResource(
26. DevelopmentSettings.class.getName(), true, true);
27. } else if (mDevHitCountdown > 0
28. && mDevHitCountdown < (TAPS_TO_BE_A_DEVELOPER-2)) {
29. if (mDevHitToast != null) {
30. mDevHitToast.cancel();
31. }
32. mDevHitToast = Toast.makeText(getActivity(), getResources().getQuantityString(
33. R.plurals.show_dev_countdown, mDevHitCountdown, mDevHitCountdown),
34. Toast.LENGTH_SHORT);
35. mDevHitToast.show();
36. }
37. } else if (mDevHitCountdown < 0) { //点击完7次之后显示
38. if (mDevHitToast != null) {
39. mDevHitToast.cancel();
40. }
41. mDevHitToast = Toast.makeText(getActivity(), R.string.show_dev_already,
42. Toast.LENGTH_LONG);
43. mDevHitToast.show();
44. }
45. }
46. ......
47. }

而默认开机是否显示由变量showDev控制
packages\apps\Settings\src\com\android\settings\SettingsActivity.java

1. private void updateTilesList(List<DashboardCategory> target) {
2. final boolean showDev = mDevelopmentPreferences.getBoolean(
3. DevelopmentSettings.PREF_SHOW,
4. android.os.Build.TYPE.equals("eng"));    //因此eng才返回true
5. ......
6. } else if (id == R.id.development_settings) {
7. if (!showDev || um.hasUserRestriction(
8. UserManager.DISALLOW_DEBUGGING_FEATURES)) {
9. removeTile = true;    //showDev为false则不显示
10. }
11. }
12. }

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;