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Implement VolumeStepsIncrease
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‎VolumeStepsIncrease/build.gradle.kts‎

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plugins {
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alias(libs.plugins.buildlogic.android.application)
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alias(libs.plugins.buildlogic.kotlin.android)
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}
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android {
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namespace = "com.programminghoch10.VolumeStepsIncrease"
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defaultConfig {
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minSdk = 23
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targetSdk = 35
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}
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}
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dependencies {
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implementation(libs.androidx.preference)
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}

‎VolumeStepsIncrease/src/main/AndroidManifest.xml‎

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<?xml version="1.0" encoding="utf-8"?>
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<manifest
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xmlns:android="http://schemas.android.com/apk/res/android">
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<application android:label="@string/app_name">
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<activity
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android:name=".SettingsActivity"
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android:exported="true"
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android:label="@string/title_activity_settings"
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android:theme="@style/AppTheme"
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>
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<intent-filter>
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<action android:name="android.intent.action.APPLICATION_PREFERENCES" />
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<category android:name="android.intent.category.DEFAULT" />
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<action android:name="android.intent.action.MAIN" />
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<category android:name="de.robv.android.xposed.category.MODULE_SETTINGS" />
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</intent-filter>
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</activity>
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<meta-data
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android:name="xposedmodule"
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android:value="true"
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/>
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<meta-data
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android:name="xposedminversion"
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android:value="93"
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/>
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<meta-data
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android:name="xposedscope"
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android:resource="@array/scope"
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/>
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</application>
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</manifest>

‎VolumeStepsIncrease/src/main/assets/xposed_init‎

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com.programminghoch10.VolumeStepsIncrease.Hook

‎VolumeStepsIncrease/src/main/java/com/programminghoch10/VolumeStepsIncrease/Common.kt‎

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package com.programminghoch10.VolumeStepsIncrease
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class Common {
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companion object {
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val streams = arrayOf(
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"ro.config.vc_call_vol_steps",
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"ro.config.media_vol_steps",
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"ro.config.alarm_vol_steps",
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"ro.config.system_vol_steps",
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)
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val defaultStreamValues = mapOf<String, Int>(
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// default volumes from AudioService
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"ro.config.vc_call_vol_steps" to 5,
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"ro.config.media_vol_steps" to 15,
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"ro.config.alarm_vol_steps" to 7,
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"ro.config.system_vol_steps" to 7,
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).mapValues { it.value * 2 }
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fun getMaxVolumeSteps(): Int {
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return defaultStreamValues.values.maxOf { it } * 3
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}
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}
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}

‎VolumeStepsIncrease/src/main/java/com/programminghoch10/VolumeStepsIncrease/Hook.kt‎

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package com.programminghoch10.VolumeStepsIncrease
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import android.util.Log
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import com.programminghoch10.VolumeStepsIncrease.Common.Companion.streams
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import de.robv.android.xposed.IXposedHookLoadPackage
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import de.robv.android.xposed.XSharedPreferences
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import de.robv.android.xposed.XposedHelpers
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import de.robv.android.xposed.callbacks.XC_LoadPackage
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import de.robv.android.xposed.XC_MethodHook as MethodHook
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class Hook : IXposedHookLoadPackage {
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override fun handleLoadPackage(lpparam: XC_LoadPackage.LoadPackageParam) {
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if (lpparam.packageName == BuildConfig.APPLICATION_ID) return
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val SystemPropertiesClass = XposedHelpers.findClass("android.os.SystemProperties", lpparam.classLoader)
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XposedHelpers.findAndHookMethod(SystemPropertiesClass, "getInt", String::class.java, Int::class.java, object : MethodHook() {
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override fun afterHookedMethod(param: MethodHookParam) {
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val key = param.args[0] as String
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param.args[1] as Int
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val result = param.result as Int
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if (!streams.contains(key)) return
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val preferences = XSharedPreferences(BuildConfig.APPLICATION_ID, "streams")
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if (!preferences.contains(key)) return
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param.result = preferences.getInt(key, result)
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Log.d("Logger", "beforeHookedMethod: replace $key with ${param.result}")
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}
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})
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XposedHelpers.findAndHookMethod(SystemPropertiesClass, "getBoolean", String::class.java, Boolean::class.java, object : MethodHook() {
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override fun beforeHookedMethod(param: MethodHookParam) {
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val key = param.args[0] as String
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if (key == "audio.safemedia.bypass") param.result = true
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}
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})
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}
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}

‎VolumeStepsIncrease/src/main/java/com/programminghoch10/VolumeStepsIncrease/SettingsActivity.kt‎

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package com.programminghoch10.VolumeStepsIncrease
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import android.annotation.SuppressLint
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import android.os.Bundle
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import androidx.fragment.app.FragmentActivity
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import androidx.preference.PreferenceFragmentCompat
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import androidx.preference.SeekBarPreference
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import com.programminghoch10.VolumeStepsIncrease.Common.Companion.defaultStreamValues
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import com.programminghoch10.VolumeStepsIncrease.Common.Companion.getMaxVolumeSteps
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import com.programminghoch10.VolumeStepsIncrease.Common.Companion.streams
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class SettingsActivity : FragmentActivity() {
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override fun onCreate(savedInstanceState: Bundle?) {
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super.onCreate(savedInstanceState)
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setContentView(R.layout.settings_activity)
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if (savedInstanceState == null) {
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supportFragmentManager.beginTransaction().replace(R.id.settings, SettingsFragment()).commit()
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}
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actionBar?.setDisplayHomeAsUpEnabled(
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supportFragmentManager.backStackEntryCount > 0
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)
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}
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class SettingsFragment : PreferenceFragmentCompat() {
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@SuppressLint("WorldReadableFiles")
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override fun onCreatePreferences(savedInstanceState: Bundle?, rootKey: String?) {
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setPreferencesFromResource(R.xml.root_preferences, rootKey)
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preferenceManager.sharedPreferencesName = "streams"
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preferenceManager.sharedPreferencesMode = MODE_WORLD_READABLE
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for (stream in streams) {
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val defaultValue = defaultStreamValues[stream]!!
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val preference = SeekBarPreference(requireContext())
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preference.key = stream
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preference.title = stream
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preference.min = 1
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preference.max = getMaxVolumeSteps()
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preference.setDefaultValue(defaultValue)
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preference.showSeekBarValue = true
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//preference.summary = "default = ${defaultValue / 2}"
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preferenceScreen.addPreference(preference)
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}
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}
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}
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}

‎VolumeStepsIncrease/src/main/res/layout/settings_activity.xml‎

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<?xml version="1.0" encoding="utf-8"?>
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<LinearLayout
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xmlns:android="http://schemas.android.com/apk/res/android"
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android:layout_width="match_parent"
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android:layout_height="match_parent"
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style="@style/AppTheme.Edge2EdgeFix"
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>
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<FrameLayout
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android:id="@+id/settings"
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android:layout_width="match_parent"
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android:layout_height="match_parent"
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/>
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</LinearLayout>

‎VolumeStepsIncrease/src/main/res/values-v21/themes.xml‎

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<?xml version="1.0" encoding="utf-8"?>
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<resources>
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<style name="AppTheme" parent="@android:style/Theme.DeviceDefault.Settings" />
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</resources>

‎VolumeStepsIncrease/src/main/res/values/arrays.xml‎

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<?xml version="1.0" encoding="utf-8"?>
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<resources>
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<string-array name="scope">
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<item>android</item>
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</string-array>
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</resources>

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

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<?xml version="1.0" encoding="utf-8"?>
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<resources>
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<string name="app_name">VolumeStepsIncrease</string>
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<string name="title_activity_settings">Volume Steps Configuration</string>
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</resources>

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