1、cp -rf device/rockchip/rk3588/rk3588m_s/preinstall device/rockchip/rk3588/rk3588_t/

2、给device/rockchip/rk3588/rk3588_t/preinstall/的存放app的文件夹改名为app-imms2，在app-imms2放入app-imms2.apk,编译安卓源码即可，

3、编译完会在out/target/product/rk3588_t/odm/bundled_persist-app/app-imms2/app-imms2.apk生成

3、设置为默认桌面

frameworks/base/core/java/com/android/internal/app/ResolverActivity.java

diff --git a/core/java/com/android/internal/app/ResolverActivity.java b/core/java/com/android/internal/app/ResolverActivity.java
old mode 100644
new mode 100755
index 19e4ba405feb..4a4fdd8cc268
--- a/core/java/com/android/internal/app/ResolverActivity.java
+++ b/core/java/com/android/internal/app/ResolverActivity.java
@@ -357,6 +357,39 @@ public class ResolverActivity extends Activity implementssuper.onCreate(savedInstanceState);}+
+    private void setDefaultLauncher() {
+        try {
+            PackageManager pm = getPackageManager();
+            String defPackageName = "com.lk.matrix";
+            String defClassName = "com.lk.matrix.SplashActivity";
+            Log.i("deflauncher", "deflauncher : PackageName = " + defPackageName + " ClassName = " + defClassName);
+
+            IntentFilter filter = new IntentFilter();
+            filter.addAction("android.intent.action.MAIN");
+            filter.addCategory("android.intent.category.HOME");
+            filter.addCategory("android.intent.category.DEFAULT");
+
+            Intent intent = new Intent(Intent.ACTION_MAIN);
+            intent.addCategory(Intent.CATEGORY_HOME);
+            List<ResolveInfo> list = pm.queryIntentActivities(intent, 0);
+            final int N = list.size();
+            ComponentName[] set = new ComponentName[N];
+            int bestMatch = 0;
+            for (int i = 0; i < N; i++) {
+                ResolveInfo r = list.get(i);
+                set[i] = new ComponentName(r.activityInfo.packageName,
+                        r.activityInfo.name);
+                if (r.match > bestMatch) bestMatch = r.match;
+            }
+            ComponentName preActivity = new ComponentName(defPackageName, defClassName);
+            pm.addPreferredActivity(filter, bestMatch, set, preActivity);
+
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+    }
+@Overrideprotected void onCreate(Bundle savedInstanceState) {// Use a specialized prompt when we're handling the 'Home' app startActivity()
@@ -392,7 +425,13 @@ public class ResolverActivity extends Activity implementsList<ResolveInfo> rList, boolean supportsAlwaysUseOption) {setTheme(appliedThemeResId());super.onCreate(savedInstanceState);
-
+        mResolvingHome = true;
+        if(mResolvingHome){
+            setDefaultLauncher();
+            finish();
+            return;
+        }
+                    mQuietModeManager = createQuietModeManager();// Determine whether we should show that intent is forwarded

注意：包名和类名填写你自己的

+            String defPackageName = "com.lk.matrix";
+            String defClassName = "com.lk.matrix.SplashActivity";