我正在开发一个分别用于处理文件的应用程序,我请求访问所有文件的许可.然而,在新版本的Android中,你需要在其他应用程序中找到你的应用程序,然后点击切换才能访问.
当我打开请求权限的意图时,我的应用程序不在列表中
MainActivity.java
package com.example.quazzyapp;
import androidx.appcompat.app.AppCompatActivity;
import android.content.Intent;
import android.os.Build;
import android.os.Bundle;
import android.os.Environment;
import android.provider.Settings;
public class MainActivity extends AppCompatActivity {
private static final int PERMISSION_STORAGE = 101;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
if (!PremissionUtils.hasPermissions(MainActivity.this)) {
PremissionUtils.requestPermissions(MainActivity.this, PERMISSION_STORAGE);
}
}
}
PremissionUtils.java
package com.example.quazzyapp;
import android.app.Activity;
import android.content.Context;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.net.Uri;
import android.os.Build;
import android.os.Environment;
import android.provider.Settings;
import androidx.core.app.ActivityCompat;
import androidx.core.content.ContextCompat;
public class PremissionUtils {
public static boolean hasPermissions(Context context) {
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.R) {
return Environment.isExternalStorageManager();
} else if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
return ContextCompat.checkSelfPermission(context, android.Manifest.permission.WRITE_EXTERNAL_STORAGE)
== PackageManager.PERMISSION_GRANTED;
} else {
return true;
}
}
public static void requestPermissions(Activity activity, int requestCode) {
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.R) {
try {
Intent intent = new Intent(Settings.ACTION_MANAGE_APP_ALL_FILES_ACCESS_PERMISSION);
intent.addCategory("android.intent.category.DEFAULT");
intent.setData(Uri.parse(String.format("package:%s", activity.getPackageName())));
activity.startActivityForResult(intent, requestCode);
} catch (Exception e) {
Intent intent = new Intent();
intent.setAction(Settings.ACTION_MANAGE_ALL_FILES_ACCESS_PERMISSION);
activity.startActivityForResult(intent, requestCode);
}
} else {
ActivityCompat.requestPermissions(activity,
new String[] { android.Manifest.permission.WRITE_EXTERNAL_STORAGE },
requestCode);
}
}
}
Build.gradle.kts
plugins {
id("com.android.application")
}
android {
namespace = "com.example.quazzyapp"
compileSdk = 34
defaultConfig {
applicationId = "com.example.quazzyapp"
minSdk = 24
targetSdk = 33
versionCode = 1
versionName = "1.0"
testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
}
buildTypes {
release {
isMinifyEnabled = 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:1.8.0")
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")
}
AndriodManifest.xml
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools">
<uses-permission android:name="android.permission.ACTION_MANAGE_ALL_FILES_ACCESS_PERMISSION" />
<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.QuazzyApp"
tools:targetApi="31">
<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>
问题可能出在本地测试的智能手机上,不幸的是,我无法在其他设备上进行判断
我创建了在新项目中请求权限的意图,以排除其他代码片段的影响,但什么都没有发生,问题仍然存在