init

app/.gitignore

@@ -0,0 +1,2 @@
+build
+release

app/build.gradle

@@ -0,0 +1,40 @@
+plugins {
+    id 'com.android.application'
+}
+
+android {
+    namespace 'run.evan.modemtool'
+    compileSdk 33
+
+    defaultConfig {
+        applicationId "run.evan.modemtool"
+        minSdk 31
+        targetSdk 33
+        versionCode 1
+        versionName "1.0"
+
+        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
+    }
+
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
+        }
+    }
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_1_8
+        targetCompatibility JavaVersion.VERSION_1_8
+    }
+}
+
+dependencies {
+    implementation 'androidx.appcompat:appcompat:1.6.1'
+    implementation 'com.google.android.material:material:1.5.0'
+    implementation 'androidx.constraintlayout:constraintlayout:2.1.4'
+    testImplementation 'junit:junit:4.13.2'
+    androidTestImplementation 'androidx.test.ext:junit:1.1.5'
+    androidTestImplementation 'androidx.test.espresso:espresso-core:3.5.1'
+    implementation files('libs/qcrilhook.jar')
+    implementation files('libs/mirilhook.jar')
+}

app/proguard-rules.pro

@@ -0,0 +1,21 @@
+# Add project specific ProGuard rules here.
+# You can control the set of applied configuration files using the
+# proguardFiles setting in build.gradle.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+#   public *;
+#}
+
+# Uncomment this to preserve the line number information for
+# debugging stack traces.
+#-keepattributes SourceFile,LineNumberTable
+
+# If you keep the line number information, uncomment this to
+# hide the original source file name.
+#-renamesourcefileattribute SourceFile

app/src/androidTest/java/run/evan/modemtool/ExampleInstrumentedTest.java

@@ -0,0 +1,26 @@
+package run.evan.modemtool;
+
+import android.content.Context;
+
+import androidx.test.platform.app.InstrumentationRegistry;
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import static org.junit.Assert.*;
+
+/**
+ * Instrumented test, which will execute on an Android device.
+ *
+ * @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
+ */
+@RunWith(AndroidJUnit4.class)
+public class ExampleInstrumentedTest {
+    @Test
+    public void useAppContext() {
+        // Context of the app under test.
+        Context appContext = InstrumentationRegistry.getInstrumentation().getTargetContext();
+        assertEquals("run.evan.modemtool", appContext.getPackageName());
+    }
+}

app/src/main/AndroidManifest.xml

@@ -0,0 +1,49 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:sharedUserId="android.uid.system"
+    >
+
+    <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
+    <uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />
+    <uses-permission android:name="android.permission.READ_PHONE_STATE"/>
+    <uses-permission android:name="com.qualcomm.permission.USE_QCRIL_MSG_TUNNEL"/>
+
+<!--    <uses-permission-->
+<!--        android:name="android.permission.MOUNT_UNMOUNT_FILESYSTEMS"-->
+<!--        tools:ignore="ProtectedPermissions" />-->
+<!--    <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />-->
+<!--    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />-->
+<!--    <uses-permission-->
+<!--        android:name="android.permission.MANAGE_EXTERNAL_STORAGE"-->
+<!--        tools:ignore="ScopedStorage" />-->
+
+
+    <application
+        android:allowBackup="true"
+        android:dataExtractionRules="@xml/data_extraction_rules"
+        android:fullBackupContent="@xml/backup_rules"
+        android:icon="@mipmap/ic_launcher"
+        android:label="@string/app_name"
+        android:roundIcon="@mipmap/ic_launcher_round"
+        android:supportsRtl="true"
+        android:theme="@style/Theme.ModemTool"
+        android:process="com.android.systemui"
+        tools:targetApi="31">
+
+
+        <uses-library android:name="com.qualcomm.qcrilhook" android:exported="true" android:required="false"/>
+        <uses-library android:name="com.qti.extphone.extphonelib" android:exported="true" android:required="false"/>
+
+        <activity
+            android:name=".MainActivity"
+            android:exported="true">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+    </application>
+
+</manifest>

app/src/main/java/run/evan/modemtool/MainActivity.java

@@ -0,0 +1,302 @@
+package run.evan.modemtool;
+
+import android.content.Context;
+import android.os.Bundle;
+import android.telephony.CellIdentityNr;
+import android.telephony.CellInfo;
+import android.telephony.CellInfoNr;
+import android.telephony.CellSignalStrength;
+import android.telephony.CellSignalStrengthNr;
+import android.telephony.SubscriptionManager;
+import android.telephony.TelephonyManager;
+import android.util.Log;
+import android.view.View;
+import android.widget.Button;
+import android.widget.EditText;
+import android.widget.Spinner;
+import android.widget.Toast;
+
+import androidx.annotation.NonNull;
+import androidx.appcompat.app.AppCompatActivity;
+
+import com.qualcomm.qcrilhook.QcRilHook;
+import com.qualcomm.qcrilhook.QcRilHookCallback;
+import com.xiaomi.mirilhook.MiRilHook;
+
+import java.lang.reflect.Field;
+import java.nio.ByteBuffer;
+import java.nio.ByteOrder;
+import java.util.List;
+
+public class MainActivity extends AppCompatActivity {
+
+
+    private static final String TAG = "ModemTool";
+
+    TelephonyManager telephonyManager;
+
+    Button btnApply;
+
+    Button btnRead;
+
+    Button btnWrite;
+
+    Button btnDelete;
+
+    Button btnRefresh;
+
+    EditText editText;
+
+    EditText editPci;
+
+    EditText editArfcn;
+
+    EditText editBand;
+
+
+    Spinner spinner;
+
+
+    private MiRilHook miRilHook = null;
+
+    private boolean miRilHookReady = false;
+
+    private QcRilHook mQcRilHook = null;
+
+    private boolean mQcRilHookReady = false;
+
+    TelephonyManager.CellInfoCallback cellInfoCallback;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_main);
+
+        editText = findViewById(R.id.editTextTextMultiLine);
+        initEnv();
+
+        spinner = findViewById(R.id.spinner);
+        spinner.setSelection(1);
+
+
+        editPci = findViewById(R.id.edit_pci);
+        editArfcn = findViewById(R.id.edit_arfcn);
+        editBand = findViewById(R.id.edit_band);
+
+        btnRead = findViewById(R.id.btn_read);
+        btnRead.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                query5GInfo();
+            }
+        });
+
+        btnWrite = findViewById(R.id.btn_write);
+        btnWrite.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                writeUIToEFS();
+            }
+        });
+
+
+        btnDelete = findViewById(R.id.btn_delete);
+        btnDelete.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                delete();
+            }
+        });
+
+        btnRefresh = findViewById(R.id.btn_refresh);
+        btnRefresh.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                readEFSToUI();
+            }
+        });
+
+        btnApply = findViewById(R.id.btn_apply);
+        btnApply.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                refreshMbn();
+            }
+        });
+
+        cellInfoCallback = new TelephonyManager.CellInfoCallback() {
+            @Override
+            public void onCellInfo(@NonNull List<CellInfo> allCellInfo) {
+                for (CellInfo cellInfo : allCellInfo) {
+                    if (cellInfo instanceof CellInfoNr) {
+                        if(cellInfo.isRegistered()){
+                            CellInfoNr nrInfo = (CellInfoNr) cellInfo;
+                            CellIdentityNr cellIdentity = (CellIdentityNr) nrInfo.getCellIdentity();
+                            CellSignalStrengthNr cellSignalStrength =(CellSignalStrengthNr) nrInfo.getCellSignalStrength();
+
+                            editArfcn.setText(String.valueOf(cellIdentity.getNrarfcn()));
+                            editPci.setText(String.valueOf(cellIdentity.getPci()));
+                            editBand.setText(String.valueOf(cellIdentity.getBands()[0]));
+                            editText.setText("RSRP="+cellSignalStrength.getSsRsrp()+",RSRQ="+cellSignalStrength.getSsRsrq()+",SINR="+cellSignalStrength.getSsSinr());
+                            return;
+                        }
+                    }
+                }
+            }
+        };
+    }
+
+    private void initEnv() {
+        try {
+            telephonyManager = (TelephonyManager) getSystemService(Context.TELEPHONY_SERVICE);
+            miRilHook = new MiRilHook(getApplicationContext(), new QcRilHookCallback() {
+                @Override
+                public void onQcRilHookDisconnected() {
+                    Log.i(TAG, "onMiRilHookDisconnected");
+                    miRilHookReady = false;
+                }
+
+                @Override
+                public void onQcRilHookReady() {
+                    Log.i(TAG, "onQcRilHookReady");
+                    miRilHookReady = true;
+                }
+            });
+
+            mQcRilHook = new QcRilHook(getApplicationContext(), new QcRilHookCallback() {
+                @Override
+                public void onQcRilHookDisconnected() {
+                    Log.i(TAG, "onMiRilHookDisconnected");
+                    mQcRilHookReady = false;
+                }
+
+                @Override
+                public void onQcRilHookReady() {
+                    Log.i(TAG, "onQcRilHookReady");
+                    mQcRilHookReady = true;
+                }
+            });
+
+
+
+        } catch (Exception e) {
+            editText.setText(e.toString());
+        }
+
+    }
+
+
+    private void modemSSR() {
+        try {
+            if (miRilHookReady) {
+                miRilHook.onHookCommonMsgSync(31, 4, -2147483647);
+            } else {
+                Toast.makeText(getApplicationContext(), "miRilHookReady = false", Toast.LENGTH_LONG).show();
+            }
+        } catch (Exception e) {
+
+        }
+    }
+
+    private void refreshMbn() {
+        try {
+            if (mQcRilHookReady) {
+                int slotIndex = SubscriptionManager.getSlotIndex(getSub());
+                mQcRilHook.qcRilRefreshMbn(slotIndex);
+            } else {
+                Toast.makeText(getApplicationContext(), "mQcRilHookReady = false", Toast.LENGTH_LONG).show();
+            }
+        } catch (Exception e) {
+
+        }
+    }
+
+
+    private void readEFSToUI() {
+        try {
+            int slotIndex = SubscriptionManager.getSlotIndex(getSub());
+            ByteBuffer buf = miRilHook.onHookBigEfsReadSync(slotIndex, "/nv/item_files/modem/nr5g/RRC/pci_lock_info");
+            if (null == buf) {
+                editText.setText("buf is null");
+            } else {
+                int ret = buf.getInt();
+                int len = buf.getInt();
+                byte[] bytes = null;
+                if (len > 0 && ret == 0) {
+                    if (len != 12) {
+                        editText.setText("pci_lock_info len != 12");
+                        return;
+                    }
+                    bytes = new byte[len];
+                    buf.get(bytes);
+                } else if (ret != 0) {
+                    editPci.setText("");
+                    editArfcn.setText("");
+                    editBand.setText("");
+                    return;
+                }
+
+                ByteBuffer buffer = ByteBuffer.wrap(bytes);
+                buffer.order(ByteOrder.LITTLE_ENDIAN);
+                editPci.setText(String.valueOf(buffer.getInt()));
+                editArfcn.setText(String.valueOf(buffer.getInt()));
+                short scs = buffer.getShort();
+                spinner.setSelection(scs);
+                editBand.setText(String.valueOf(buffer.getShort() + 1));
+            }
+        } catch (Exception e) {
+            editText.setText(e.toString());
+        }
+    }
+
+    private void writeUIToEFS() {
+        try {
+            int pci = Integer.parseInt(editPci.getText().toString());
+            int arfcn = Integer.parseInt(editArfcn.getText().toString());
+            short band = (short) Integer.parseInt(editBand.getText().toString());
+            band--;
+            short scs = (short) spinner.getSelectedItemPosition();
+            ByteBuffer buffer = ByteBuffer.allocate(12);
+            buffer.order(ByteOrder.LITTLE_ENDIAN);
+            buffer.putInt(pci);
+            buffer.putInt(arfcn);
+            buffer.putShort(scs);
+            buffer.putShort(band);
+            int slotIndex = SubscriptionManager.getSlotIndex(getSub());
+            miRilHook.onHookEfsWriteSync(slotIndex, "/nv/item_files/modem/nr5g/RRC/pci_lock_info", buffer.array());
+        } catch (Exception e) {
+            editText.setText(e.toString());
+        }
+    }
+
+    private void delete() {
+        try {
+            miRilHook.onHookEfsOptSync(0, "/nv/item_files/modem/nr5g/RRC/pci_lock_info", 6);
+            miRilHook.onHookEfsOptSync(1, "/nv/item_files/modem/nr5g/RRC/pci_lock_info", 6);
+        } catch (Exception e) {
+            editText.setText(e.toString());
+        }
+    }
+
+
+    private void query5GInfo() {
+        telephonyManager.createForSubscriptionId(getSub()).requestCellInfoUpdate(getMainExecutor(),cellInfoCallback );
+    }
+
+
+    private String byteArrayToString(byte[] byteArray) {
+        StringBuilder sb = new StringBuilder();
+        for (byte b : byteArray) {
+            sb.append(b).append(" ");
+        }
+        return sb.toString();
+    }
+
+    private int getSub() {
+        int subscriberId = 0;
+        subscriberId = SubscriptionManager.getDefaultDataSubscriptionId();
+        return subscriberId;
+    }
+
+
+}

app/src/main/res/drawable-v24/ic_launcher_foreground.xml

@@ -0,0 +1,30 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:aapt="http://schemas.android.com/aapt"
+    android:width="108dp"
+    android:height="108dp"
+    android:viewportWidth="108"
+    android:viewportHeight="108">
+    <path android:pathData="M31,63.928c0,0 6.4,-11 12.1,-13.1c7.2,-2.6 26,-1.4 26,-1.4l38.1,38.1L107,108.928l-32,-1L31,63.928z">
+        <aapt:attr name="android:fillColor">
+            <gradient
+                android:endX="85.84757"
+                android:endY="92.4963"
+                android:startX="42.9492"
+                android:startY="49.59793"
+                android:type="linear">
+                <item
+                    android:color="#44000000"
+                    android:offset="0.0" />
+                <item
+                    android:color="#00000000"
+                    android:offset="1.0" />
+            </gradient>
+        </aapt:attr>
+    </path>
+    <path
+        android:fillColor="#FFFFFF"
+        android:fillType="nonZero"
+        android:pathData="M65.3,45.828l3.8,-6.6c0.2,-0.4 0.1,-0.9 -0.3,-1.1c-0.4,-0.2 -0.9,-0.1 -1.1,0.3l-3.9,6.7c-6.3,-2.8 -13.4,-2.8 -19.7,0l-3.9,-6.7c-0.2,-0.4 -0.7,-0.5 -1.1,-0.3C38.8,38.328 38.7,38.828 38.9,39.228l3.8,6.6C36.2,49.428 31.7,56.028 31,63.928h46C76.3,56.028 71.8,49.428 65.3,45.828zM43.4,57.328c-0.8,0 -1.5,-0.5 -1.8,-1.2c-0.3,-0.7 -0.1,-1.5 0.4,-2.1c0.5,-0.5 1.4,-0.7 2.1,-0.4c0.7,0.3 1.2,1 1.2,1.8C45.3,56.528 44.5,57.328 43.4,57.328L43.4,57.328zM64.6,57.328c-0.8,0 -1.5,-0.5 -1.8,-1.2s-0.1,-1.5 0.4,-2.1c0.5,-0.5 1.4,-0.7 2.1,-0.4c0.7,0.3 1.2,1 1.2,1.8C66.5,56.528 65.6,57.328 64.6,57.328L64.6,57.328z"
+        android:strokeWidth="1"
+        android:strokeColor="#00000000" />
+</vector>

app/src/main/res/drawable/ic_launcher_background.xml

@@ -0,0 +1,170 @@
+<?xml version="1.0" encoding="utf-8"?>
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="108dp"
+    android:height="108dp"
+    android:viewportWidth="108"
+    android:viewportHeight="108">
+    <path
+        android:fillColor="#3DDC84"
+        android:pathData="M0,0h108v108h-108z" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M9,0L9,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,0L19,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M29,0L29,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M39,0L39,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M49,0L49,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M59,0L59,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M69,0L69,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M79,0L79,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M89,0L89,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M99,0L99,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,9L108,9"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,19L108,19"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,29L108,29"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,39L108,39"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,49L108,49"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,59L108,59"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,69L108,69"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,79L108,79"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,89L108,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,99L108,99"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,29L89,29"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,39L89,39"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,49L89,49"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,59L89,59"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,69L89,69"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,79L89,79"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M29,19L29,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M39,19L39,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M49,19L49,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M59,19L59,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M69,19L69,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M79,19L79,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+</vector>

app/src/main/res/layout/activity_main.xml

@@ -0,0 +1,164 @@
+<?xml version="1.0" encoding="utf-8"?>
+<ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context=".MainActivity">
+
+
+    <androidx.constraintlayout.widget.ConstraintLayout
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        tools:context=".MainActivity">
+
+        <TextView
+            android:id="@+id/label_5g_pci"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginStart="16dp"
+            android:layout_marginTop="16dp"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toTopOf="parent"
+            android:text="@string/label_5g_pci"
+            tools:layout_editor_absoluteX="3dp" />
+
+        <EditText
+            android:id="@+id/edit_pci"
+            android:layout_width="60dp"
+            android:layout_height="wrap_content"
+            android:layout_marginStart="16dp"
+            android:layout_marginTop="16dp"
+            android:ems="10"
+            android:gravity="start|top"
+            android:hint="PCI"
+            android:inputType="number"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toTopOf="@+id/label_5g_pci" />
+
+        <EditText
+            android:id="@+id/edit_arfcn"
+            android:layout_width="100dp"
+            android:layout_height="wrap_content"
+            android:layout_marginStart="8dp"
+            android:layout_marginTop="16dp"
+            android:ems="10"
+            android:gravity="start|top"
+            android:hint="ARFCN"
+            android:inputType="number"
+            app:layout_constraintStart_toEndOf="@+id/edit_pci"
+            app:layout_constraintTop_toTopOf="@+id/label_5g_pci" />
+
+        <EditText
+            android:id="@+id/edit_band"
+            android:layout_width="60dp"
+            android:layout_height="wrap_content"
+            android:layout_marginStart="8dp"
+            android:layout_marginTop="16dp"
+            android:ems="10"
+            android:gravity="start|top"
+            android:hint="BAND"
+            android:inputType="number"
+            app:layout_constraintStart_toEndOf="@+id/edit_arfcn"
+            app:layout_constraintTop_toTopOf="@+id/label_5g_pci" />
+
+        <Spinner
+            android:id="@+id/spinner"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:entries="@array/scs"
+            android:spinnerMode="dropdown"
+            app:layout_constraintBottom_toBottomOf="@+id/edit_band"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintStart_toEndOf="@+id/edit_band"
+            app:layout_constraintTop_toTopOf="@+id/edit_band" />
+
+        <Button
+            android:id="@+id/btn_read"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_marginStart="16dp"
+            android:layout_marginEnd="16dp"
+            android:text="@string/btn_text_read"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toBottomOf="@+id/edit_pci" />
+        />
+
+        <Button
+            android:id="@+id/btn_write"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_marginEnd="16dp"
+            android:text="@string/btn_text_write"
+            app:layout_constraintStart_toEndOf="@+id/btn_read"
+            app:layout_constraintTop_toBottomOf="@+id/edit_pci" />
+        />
+
+
+        <Button
+            android:id="@+id/btn_delete"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_marginEnd="16dp"
+            android:text="@string/btn_text_delete"
+            app:layout_constraintStart_toEndOf="@+id/btn_write"
+            app:layout_constraintTop_toBottomOf="@+id/edit_pci" />
+        />
+
+        <Button
+            android:id="@+id/btn_refresh"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_marginEnd="16dp"
+            android:text="@string/btn_text_refresh"
+            app:layout_constraintStart_toEndOf="@+id/btn_delete"
+            app:layout_constraintTop_toBottomOf="@+id/edit_pci" />
+        />
+
+        <View
+            android:id="@+id/divider"
+            android:layout_width="wrap_content"
+            android:layout_height="1dp"
+            android:layout_marginStart="16dp"
+            android:layout_marginTop="16dp"
+            android:layout_marginEnd="16dp"
+            android:background="?android:attr/listDivider"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toBottomOf="@+id/btn_refresh" />
+
+
+        <Button
+            android:id="@+id/btn_apply"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_marginStart="16dp"
+            android:layout_marginTop="16dp"
+            android:layout_marginEnd="16dp"
+            android:text="@string/btn_text_apply"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toBottomOf="@+id/divider" />
+        />
+
+        <EditText
+            android:id="@+id/editTextTextMultiLine"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_marginStart="16dp"
+            android:layout_marginTop="16dp"
+            android:layout_marginEnd="16dp"
+            android:ems="10"
+            android:gravity="start|top"
+            android:inputType="textMultiLine"
+            android:scrollbarAlwaysDrawVerticalTrack="true"
+            android:scrollbars="vertical"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toBottomOf="@+id/btn_apply" />
+
+
+
+
+    </androidx.constraintlayout.widget.ConstraintLayout>
+</ScrollView>

app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@drawable/ic_launcher_background" />
+    <foreground android:drawable="@drawable/ic_launcher_foreground" />
+    <monochrome android:drawable="@drawable/ic_launcher_foreground" />
+</adaptive-icon>

app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@drawable/ic_launcher_background" />
+    <foreground android:drawable="@drawable/ic_launcher_foreground" />
+    <monochrome android:drawable="@drawable/ic_launcher_foreground" />
+</adaptive-icon>

app/src/main/res/values-night/themes.xml

@@ -0,0 +1,7 @@
+<resources xmlns:tools="http://schemas.android.com/tools">
+    <!-- Base application theme. -->
+    <style name="Base.Theme.ModemTool" parent="Theme.Material3.DayNight.NoActionBar">
+        <!-- Customize your dark theme here. -->
+        <!-- <item name="colorPrimary">@color/my_dark_primary</item> -->
+    </style>
+</resources>

app/src/main/res/values-zh-rCN/strings.xml

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <string name="app_name">基带工具</string>
+    <string name="btn_text_read">读取</string>
+    <string name="btn_text_write">写入</string>
+    <string name="btn_text_delete">删除</string>
+    <string name="btn_text_refresh">刷新</string>
+    <string name="btn_text_apply">应用设置</string>
+    <string name="label_5g_pci">5G锁小区</string>
+</resources>

app/src/main/res/values/colors.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <color name="black">#FF000000</color>
+    <color name="white">#FFFFFFFF</color>
+</resources>

app/src/main/res/values/scs.xml

@@ -0,0 +1,8 @@
+<resources>
+    <string-array name="scs">
+        <item>15KHz</item>
+        <item>30KHz</item>
+        <item>60KHz</item>
+        <item>120KHz</item>
+    </string-array>
+</resources>

app/src/main/res/values/strings.xml

@@ -0,0 +1,9 @@
+<resources>
+    <string name="app_name">ModemTool</string>
+    <string name="btn_text_read">Read</string>
+    <string name="btn_text_write">Write</string>
+    <string name="btn_text_delete">Delete</string>
+    <string name="btn_text_refresh">Refresh</string>
+    <string name="btn_text_apply">Apply</string>
+    <string name="label_5g_pci">Lock 5G Cell</string>
+</resources>

app/src/main/res/values/themes.xml

@@ -0,0 +1,9 @@
+<resources xmlns:tools="http://schemas.android.com/tools">
+    <!-- Base application theme. -->
+    <style name="Base.Theme.ModemTool" parent="Theme.Material3.DayNight">
+        <!-- Customize your light theme here. -->
+        <!-- <item name="colorPrimary">@color/my_light_primary</item> -->
+    </style>
+
+    <style name="Theme.ModemTool" parent="Base.Theme.ModemTool" />
+</resources>

app/src/main/res/xml/backup_rules.xml

@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="utf-8"?><!--
+   Sample backup rules file; uncomment and customize as necessary.
+   See https://developer.android.com/guide/topics/data/autobackup
+   for details.
+   Note: This file is ignored for devices older that API 31
+   See https://developer.android.com/about/versions/12/backup-restore
+-->
+<full-backup-content>
+    <!--
+   <include domain="sharedpref" path="."/>
+   <exclude domain="sharedpref" path="device.xml"/>
+-->
+</full-backup-content>

app/src/main/res/xml/data_extraction_rules.xml

@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="utf-8"?><!--
+   Sample data extraction rules file; uncomment and customize as necessary.
+   See https://developer.android.com/about/versions/12/backup-restore#xml-changes
+   for details.
+-->
+<data-extraction-rules>
+    <cloud-backup>
+        <!-- TODO: Use <include> and <exclude> to control what is backed up.
+        <include .../>
+        <exclude .../>
+        -->
+    </cloud-backup>
+    <!--
+    <device-transfer>
+        <include .../>
+        <exclude .../>
+    </device-transfer>
+    -->
+</data-extraction-rules>

app/src/test/java/run/evan/modemtool/ExampleUnitTest.java

@@ -0,0 +1,17 @@
+package run.evan.modemtool;
+
+import org.junit.Test;
+
+import static org.junit.Assert.*;
+
+/**
+ * Example local unit test, which will execute on the development machine (host).
+ *
+ * @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
+ */
+public class ExampleUnitTest {
+    @Test
+    public void addition_isCorrect() {
+        assertEquals(4, 2 + 2);
+    }
+}