问题描述
下面是我的应用代码。我想将图像和文件（例如 pdf）存储到我的文件夹路径中到以上 10+ 版本和以下版本。我只是想知道。是正确的方法吗？请让我知道我错过了什么。它运行良好，但我只是混淆了应用程序成功更新的谷歌播放政策的清单许可
我的问题是范围存储和权限的正确方法？
我的 manifest.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"
package="com.example.myapplication">
<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.WAKE_LOCK" />
<uses-permission android:name="com.flendzz.licstickynote.permission.C2D_MESSAGE" />
<uses-permission android:name="com.google.android.c2dm.permission.RECEIVE" />
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
<uses-permission
android:name="android.permission.WRITE_EXTERNAL_STORAGE"
android:maxsdkVersion="28"
tools:ignore="ScopedStorage" />
<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
<uses-permission android:name="android.permission.READ_PHONE_STATE"
android:maxsdkVersion="29"/>
<uses-permission android:name="android.permission.READ_PHONE_NUMBERS"/>
<uses-permission android:name="android.permission.READ_CONTACTS" />
<uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED" />
<uses-permission android:name="android.permission.ACCESS_MEDIA_LOCATION" />
<application
android:allowBackup="true"
android:icon="@mipmap/ic_launcher"
android:label="@string/app_name"
android:requestLegacyExternalStorage="true"
android:roundIcon="@mipmap/ic_launcher_round"
android:supportsRtl="true"
android:theme="@style/Theme.MyApplication">
<activity android:name=".MainActivity">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>
</manifest>
activity.java
private void SaveImageaBOVE10(Bitmap bitmap) {
OutputStream fos;
try {
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) {
ContentResolver contentResolver = getContentResolver();
ContentValues contentValues = new ContentValues();
contentValues.put(MediaStore.MediaColumns.disPLAY_NAME,"image_" + ".jpg");
contentValues.put(MediaStore.MediaColumns.MIME_TYPE,"image/jpg");
contentValues.put(MediaStore.MediaColumns.RELATIVE_PATH,Environment.DIRECTORY_PICTURES + File.separator + "Note App");
Uri imageUri = contentResolver.insert(MediaStore.Images.Media.EXTERNAL_CONTENT_URI,contentValues);
fos = (FileOutputStream) contentResolver.openOutputStream(Objects.requireNonNull(imageUri));
bitmap.compress(Bitmap.CompressFormat.JPEG,100,fos);
Objects.requireNonNull(fos);
Toast.makeText(this,"image saved",Toast.LENGTH_SHORT).show();
} else {
SaveImage(bitmap);
}
} catch (Exception e) {
e.printstacktrace();
}
}
//below 10 version
private void SaveImage(Bitmap finalBitmap) {
String root = Environment.getExternalStorageDirectory().toString();
File myDir = new File(root + "/NoteApp");
if (!myDir.exists()) {
myDir.mkdirs();
}
Random generator = new Random();
int n = 10000;
n = generator.nextInt(n);
String fname = "Image-" + n + ".jpg";
File file = new File(myDir,fname);
if (file.exists())
file.delete();
try {
FileOutputStream out = new FileOutputStream(file);
finalBitmap.compress(Bitmap.CompressFormat.JPEG,90,out);
out.flush();
out.close();
} catch (Exception e) {
e.printstacktrace();
}
Toast.makeText(this,"image saved in storage",Toast.LENGTH_SHORT).show();
}
解决方法
暂无找到可以解决该程序问题的有效方法，小编努力寻找整理中！
如果你已经找到好的解决方法，欢迎将解决方案带上本链接一起发送给小编。
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