根据apk包名动态修改Android品牌与型号-开发者社区

我们在做国外gms项目的过程中，经常会涉及到套MADA信息的情况，但是在套MADA信息后后出现一个问题，三方检测app中检测到的品牌等信息会跟套的一致，这就会导致我们的软件被测试打回，当然修改TextView是种方法，但是不通用，而且会有漏修改的情况，那么有没有一种方法实现动态修改品牌信息呢，有的，以下就是博主最近刚发现的，不是自创，纯借花献佛。

修改patch如下：

diff--git a/sys/frameworks/base/core/java/android/app/ContextImpl.java b/sys/frameworks/base/core/java/android/app/ContextImpl.java index 2ba42ecc1b2..e5ecc1cca8e100644---a/sys/frameworks/base/core/java/android/app/ContextImpl.java+++b/sys/frameworks/base/core/java/android/app/ContextImpl.java @@-113,6+113,8@@ import java.io.IOException;import java.io.InputStream;import java.lang.annotation.Retention;import java.lang.annotation.RetentionPolicy;+import java.lang.reflect.Field;+import java.lang.reflect.Modifier;import java.nio.ByteOrder;import java.nio.file.Path;import java.util.ArrayList;@@-3479,6+3481,19@@classContextImplextendsContext{opPackageName=mBasePackageName;}}+//add by lyw+//解决微信平板手机不能同时在线问题+if("com.tencent.mm".equals(mBasePackageName)){+modifySystemPropertyField("BRAND","inspur");+modifySystemPropertyField("MODEL","PD5012");+}elseif("com.finalwire.aida64".equals(mBasePackageName)){+modifySystemPropertyField("BRAND","VIVO");+modifySystemPropertyField("MODEL","S17 Pro");+}elseif("flar2.devcheck".equals(mBasePackageName)){+modifySystemPropertyField("BRAND","HUAWEI");+modifySystemPropertyField("MODEL","P30 Pro");+}+//add endmOpPackageName=overrideOpPackageName!=null?overrideOpPackageName:opPackageName;mParams=Objects.requireNonNull(params);@@-3487,6+3502,50@@classContextImplextendsContext{mContentResolver=newApplicationContentResolver(this,mainThread);}+/** + * add by lyw + * + * @param fieldName + * @param newValue + * @return + */+privatebooleanmodifySystemPropertyField(StringfieldName,ObjectnewValue){+try{+Class<?>systemPropertiesClass=android.os.Build.class;+Fieldfield=systemPropertiesClass.getDeclaredField(fieldName);+field.setAccessible(true);+removeFinalModifier(field);+field.set(null,newValue);+ObjectactualValue=field.get(null);+returnnewValue.equals(actualValue);+}catch(Exceptione){+Log.e("Modifier","Failed to modify field",e);+returnfalse;+}+}++/** + * add by lyw + * + * @param field + * @throws Exception + */+privatevoidremoveFinalModifier(Fieldfield)throwsException{+try{+FieldmodifiersField=Field.class.getDeclaredField("modifiers");+modifiersField.setAccessible(true);+modifiersField.setInt(field,field.getModifiers()&~Modifier.FINAL);+}catch(NoSuchFieldExceptione){+try{+FieldaccessFlagsField=Field.class.getDeclaredField("accessFlags");+accessFlagsField.setAccessible(true);+accessFlagsField.setInt(field,field.getModifiers()&~Modifier.FINAL);+}catch(NoSuchFieldExceptionex){+thrownewRuntimeException("Unable to remove final modifier",ex);+}+}+}+private@NonNullAttributionSourcecreateAttributionSource(@NullableStringattributionTag,@NullableAttributionSourcenextAttributionSource,@NullableSet<String>renouncedPermissions){