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external file permissions android studio java

Muhammad Abdullah answered on August 28, 2022 Popularity 3/10 Helpfulness 4/10

answer external file permissions android studio java

external file permissions android studio java

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1. In your AndroidManifest.xml file
---------------------------------------------------------------------------
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools">
	....
    <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />


    <application
        ......
    </application>

</manifest>
----------------------------------------------------------------------------
2.In your MainActivity.java

final int READ_STORAGE_PERMISSION_REQUEST_CODE = 0; // Can be any number
// Read Permission for reading external storage is Denied
public boolean checkPermissionForReadExternalStorage() {
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
            int result = this.checkSelfPermission(android.Manifest.permission.READ_EXTERNAL_STORAGE);
            return result == PackageManager.PERMISSION_DENIED;
        }
        return false;
}
// Read Permission for writing external storage is Denied
public boolean checkPermissionForWriteExternalStorage() {
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
            int result = this.checkSelfPermission(Manifest.permission.WRITE_EXTERNAL_STORAGE);
            return result == PackageManager.PERMISSION_DENIED;
        }
        return false;
}

// Check during runtime as:

		if(checkPermissionForReadExternalStorage() || checkPermissionForWriteExternalStorage()) {
            try {
                requestPermissionForReadWriteExtertalStorage();
            } catch (Exception e) {
                e.printStackTrace();
            }
        }
        
// Requesting Permission
	public void requestPermissionForReadWriteExtertalStorage() throws Exception {
        try {
            ActivityCompat.requestPermissions((MainActivity.this), new String[]{android.Manifest.permission.READ_EXTERNAL_STORAGE, Manifest.permission.WRITE_EXTERNAL_STORAGE},
                    READ_STORAGE_PERMISSION_REQUEST_CODE);
        } catch (Exception e) {
            e.printStackTrace();
            throw e;
        }
    }

Popularity 3/10 Helpfulness 4/10 Language java

Source: Grepper

Tags: android-studio external file-permissions java

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Contributed on Aug 28 2022

Muhammad Abdullah

0 Answers Avg Quality 2/10

external file permissions android studio java

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