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JolandaVerhoefJolandaVerhoef
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Create misc module, add broadcast receiver snippets
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‎misc/.gitignore‎

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/build

‎misc/build.gradle.kts‎

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plugins {
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alias(libs.plugins.android.application)
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alias(libs.plugins.kotlin.android)
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alias(libs.plugins.ksp)
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alias(libs.plugins.hilt)
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alias(libs.plugins.compose.compiler)
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}
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android {
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compileSdk = libs.versions.compileSdk.get().toInt()
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namespace = "com.example.snippets"
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defaultConfig {
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applicationId = "com.example.snippets"
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minSdk = libs.versions.minSdk.get().toInt()
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targetSdk = libs.versions.targetSdk.get().toInt()
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versionCode = 1
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versionName = "1.0"
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testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
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}
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kotlin {
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jvmToolchain(17)
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}
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buildTypes {
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getByName("debug") {
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signingConfig = signingConfigs.getByName("debug")
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}
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getByName("release") {
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isMinifyEnabled = false
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proguardFiles(getDefaultProguardFile("proguard-android-optimize.txt"),
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"proguard-rules.pro")
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}
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}
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compileOptions {
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sourceCompatibility = JavaVersion.VERSION_17
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targetCompatibility = JavaVersion.VERSION_17
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}
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buildFeatures {
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compose = true
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// Disable unused AGP features
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viewBinding = true
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}
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}
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dependencies {
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val composeBom = platform(libs.androidx.compose.bom)
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implementation(composeBom)
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androidTestImplementation(composeBom)
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implementation(libs.androidx.core.ktx)
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implementation(libs.androidx.activity.compose)
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implementation(libs.androidx.compose.runtime)
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implementation(libs.androidx.compose.foundation)
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implementation(libs.androidx.compose.foundation.layout)
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implementation(libs.androidx.compose.ui.util)
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implementation(libs.androidx.compose.ui.tooling.preview)
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implementation(libs.androidx.compose.material3)
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implementation(libs.hilt.android)
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implementation(libs.androidx.hilt.navigation.compose)
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implementation(libs.kotlinx.serialization.json)
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ksp(libs.hilt.compiler)
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implementation(libs.androidx.lifecycle.runtime)
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testImplementation(libs.junit)
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androidTestImplementation(libs.junit)
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androidTestImplementation(libs.androidx.test.core)
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androidTestImplementation(libs.androidx.test.runner)
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androidTestImplementation(libs.androidx.test.espresso.core)
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}

‎shared/proguard-rules.pro‎ renamed to ‎misc/proguard-rules.pro‎

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‎misc/src/main/AndroidManifest.xml‎

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<?xml version="1.0" encoding="utf-8"?>
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<manifest xmlns:android="http://schemas.android.com/apk/res/android">
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<permission android:name="com.example.snippets.CUSTOM_PERMISSION"/>
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<!--[START android_broadcast_receiver_10_manifest_permission]-->
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<uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />
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<!--[END android_broadcast_receiver_10_manifest_permission]-->
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<application
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android:name=".MyApplication"
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android:allowBackup="true"
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android:icon="@mipmap/ic_launcher"
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android:label="@string/app_name"
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android:roundIcon="@mipmap/ic_launcher_round"
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android:supportsRtl="true"
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android:theme="@style/Theme.Snippets">
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<!-- [START android_background_broadcast_1_receiver_manifest]-->
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<!-- If this receiver listens for broadcasts sent from the system or from
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other apps, even other apps that you own, set android:exported to "true". -->
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<receiver android:name=".MyBroadcastReceiver" android:exported="false">
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<intent-filter>
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<action android:name="com.example.snippets.ACTION_UPDATE_DATA" />
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</intent-filter>
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</receiver>
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<!-- [END android_background_broadcast_1_receiver_manifest]-->
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<!-- [START android_background_broadcast_11_receiver_manifest_with_permission]-->
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<!-- If this receiver listens for broadcasts sent from the system or from
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other apps, even other apps that you own, set android:exported to "true". -->
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<receiver
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android:name=".MyBroadcastReceiverWithPermission"
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android:permission="android.permission.ACCESS_COARSE_LOCATION"
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android:exported="true">
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<intent-filter>
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<action android:name="com.example.snippets.ACTION_UPDATE_DATA" />
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</intent-filter>
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</receiver>
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<!-- [END android_background_broadcast_11_receiver_manifest_with_permission]-->
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<activity
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android:name="com.example.snippets.MainActivity"
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android:exported="true"
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android:theme="@style/Theme.Snippets">
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<intent-filter>
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<action android:name="android.intent.action.MAIN" />
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<category android:name="android.intent.category.LAUNCHER" />
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</intent-filter>
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</activity>
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</application>
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</manifest>

‎misc/src/main/java/com/example/snippets/BroadcastReceiverJavaSnippets.java‎

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package com.example.snippets;
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import android.content.BroadcastReceiver;
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import android.content.Context;
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import android.content.Intent;
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import android.content.IntentFilter;
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import androidx.core.content.ContextCompat;
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import java.util.Objects;
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import javax.inject.Inject;
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import dagger.hilt.android.qualifiers.ApplicationContext;
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// Warning for reader: This file has the Java code snippets for completeness of the corresponding
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// documentation page, but these snippets are not part of the actual sample. Refer to the Kotlin
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// code for the actual sample.
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public class BroadcastReceiverJavaSnippets {
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// [START android_broadcast_receiver_2_class_java]
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public static class MyBroadcastReceiver extends BroadcastReceiver {
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@Inject
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DataRepository dataRepository;
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@Override
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public void onReceive(Context context, Intent intent) {
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if (Objects.equals(intent.getAction(), "com.example.snippets.ACTION_UPDATE_DATA")) {
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String data = intent.getStringExtra("com.example.snippets.DATA");
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// Do something with the data, for example send it to a data repository:
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if (data != null) { dataRepository.updateData(data); }
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}
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}
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}
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// [END android_broadcast_receiver_2_class_java]
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/** @noinspection ConstantValue, unused */
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public static class BroadcastReceiverViewModel {
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Context context;
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public BroadcastReceiverViewModel(@ApplicationContext Context context) {
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this.context = context;
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}
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// [START android_broadcast_receiver_3_definition_java]
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MyBroadcastReceiver myBroadcastReceiver = new MyBroadcastReceiver();
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// [END android_broadcast_receiver_3_definition_java]
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public void registerBroadcastReceiver() {
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// [START android_broadcast_receiver_4_intent_filter_java]
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IntentFilter filter = new IntentFilter("com.example.snippets.ACTION_UPDATE_DATA");
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// [END android_broadcast_receiver_4_intent_filter_java]
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// [START android_broadcast_receiver_5_exported_java]
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boolean listenToBroadcastsFromOtherApps = false;
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int receiverFlags = listenToBroadcastsFromOtherApps
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? ContextCompat.RECEIVER_EXPORTED
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: ContextCompat.RECEIVER_NOT_EXPORTED;
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// [END android_broadcast_receiver_5_exported_java]
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// [START android_broadcast_receiver_6_register_java]
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ContextCompat.registerReceiver(context, myBroadcastReceiver, filter, receiverFlags);
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// [END android_broadcast_receiver_6_register_java]
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// [START android_broadcast_receiver_12_register_with_permission_java]
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ContextCompat.registerReceiver(
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context, myBroadcastReceiver, filter,
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android.Manifest.permission.ACCESS_COARSE_LOCATION,
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null, // scheduler that defines thread, null means run on main thread
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receiverFlags
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);
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// [END android_broadcast_receiver_12_register_with_permission_java]
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}
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public void unregisterBroadcastReceiver() {
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context.unregisterReceiver(myBroadcastReceiver);
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}
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public void sendBroadcast(String newData, boolean usePermission) {
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if(usePermission) {
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// [START android_broadcast_receiver_8_send_java]
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Intent intent = new Intent("com.example.snippets.ACTION_UPDATE_DATA");
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intent.putExtra("com.example.snippets.DATA", newData);
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intent.setPackage("com.example.snippets");
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context.sendBroadcast(intent);
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// [END android_broadcast_receiver_8_send_java]
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} else {
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Intent intent = new Intent("com.example.snippets.ACTION_UPDATE_DATA");
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intent.putExtra("com.example.snippets.DATA", newData);
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intent.setPackage("com.example.snippets");
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// [START android_broadcast_receiver_send_9_with_permission_java]
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context.sendBroadcast(intent, android.Manifest.permission.ACCESS_COARSE_LOCATION);
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// [END android_broadcast_receiver_9_send_with_permission_java]
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}
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}
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}
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}
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