android4.4(kitkat),如何讓APP可以直接寫入SMS短信

以下代碼的修改是針對android平臺研發的,另外如果沒有系統源碼的情況下,通過逆向修改ROM中的對應文件,也是可以做到的。

之所以有這樣需求,是因爲假如是你自己的ROM,需要對自己的某個APP授予SMS寫入權限,可以通過修改如下代碼中的OTHERSMS_PACKAGE_NAME,換成你自己APP的package name就可以了。

如果類似QQ通訊錄這種應用,在可以獲取ROOT 的權限下,能不能做到呢,我認爲也是可以實現的,可以在內存中注入相關的代碼片段,嘗試分析了一下QQ通訊錄,發現它裏面在獲取ROOT後,是有注入操作的,但不是實現下面的功能,QQ通訊錄當前的版本在Android 4.4 (KitKat)上,仍然存在問題。

不多說了,直接上代碼,自己研究嘍~

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diff --git a/src/java/com/android/internal/telephony/SmsApplication.java b/src/java/com/android/internal/telephony/SmsApplication.java
index 0582df8..39dee4c 100644
--- a/src/java/com/android/internal/telephony/SmsApplication.java
+++ b/src/java/com/android/internal/telephony/SmsApplication.java
@@ -49,6 +49,7 @@ public final class SmsApplication {
static final String LOG_TAG = "SmsApplication";
private static final String PHONE_PACKAGE_NAME = "com.android.phone";
private static final String BLUETOOTH_PACKAGE_NAME = "com.android.bluetooth";
+    private static final String OTHERSMS_PACKAGE_NAME = "com.example.demo";
 
private static final String SCHEME_SMS = "sms";
private static final String SCHEME_SMSTO = "smsto";
@@ -357,6 +358,20 @@ public final class SmsApplication {
// No BT app on this device
Rlog.e(LOG_TAG, "Bluetooth package not found: " + BLUETOOTH_PACKAGE_NAME);
}
+
+                try {
+                    PackageInfo info = packageManager.getPackageInfo(OTHERSMS_PACKAGE_NAME, 0);
+                    int mode = appOps.checkOp(AppOpsManager.OP_WRITE_SMS, info.applicationInfo.uid,
+                            OTHERSMS_PACKAGE_NAME);
+                    if (mode != AppOpsManager.MODE_ALLOWED) {
+                        Rlog.e(LOG_TAG, OTHERSMS_PACKAGE_NAME + " lost OP_WRITE_SMS:  (fixing)");
+                        appOps.setMode(AppOpsManager.OP_WRITE_SMS, info.applicationInfo.uid,
+                                OTHERSMS_PACKAGE_NAME, AppOpsManager.MODE_ALLOWED);
+                    }
+                } catch (NameNotFoundException e) {
+                    // No BT app on this device
+                    Rlog.e(LOG_TAG, "3rd sms package not found: " + OTHERSMS_PACKAGE_NAME);
+                }
}
}
return applicationData;



歡迎轉載:http://www.yinqisen.cn/blog-310.html

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