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package org.mozilla.permissionhandler.sample;
import android.Manifest;
import android.content.Intent;
import android.os.Environment;
import android.os.Parcelable;
import androidx.annotation.NonNull;
import com.google.android.material.snackbar.Snackbar;
import androidx.core.app.ActivityCompat;
import androidx.appcompat.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.Toast;
import org.mozilla.permissionhandler.PermissionHandle;
import org.mozilla.permissionhandler.PermissionHandler;
import java.io.File;
import java.io.FileOutputStream;
public class MainActivity extends AppCompatActivity {
// A sample of permission requesting based on
// and later rewritten with PermissionHandler
private static final int CREATE_FILE_FAILED = -1;
private PermissionHandler permissionHandler;
private static final int ACTION_CREATE_FILE = 0;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
permissionHandler = new PermissionHandler(new PermissionHandle() {
@Override
public void doActionDirect(String permission, int actionId, Parcelable params) {
doCreation();
}
@Override
public void doActionGranted(String permission, int actionId, Parcelable params) {
doCreation();
}
@Override
public void doActionSetting(String permission, int actionId, Parcelable params) {
doCreation();
}
@Override
public void doActionNoPermission(String permission, int actionId, Parcelable params) {
}
@Override
public Snackbar makeAskAgainSnackBar(int actionId) {
return PermissionHandler.makeAskAgainSnackBar(MainActivity.this, findViewById(R.id.container), R.string.need_permission);
}
@Override
public void permissionDeniedToast(int actionId) {
Toast.makeText(MainActivity.this, "User Rejects", Toast.LENGTH_LONG).show();
}
@Override
public void requestPermissions(int actionId) {
ActivityCompat.requestPermissions(MainActivity.this,
new String[] { Manifest.permission.WRITE_EXTERNAL_STORAGE }, actionId);
}
});
findViewById(R.id.button).setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
permissionHandler.tryAction(MainActivity.this, Manifest.permission.WRITE_EXTERNAL_STORAGE, ACTION_CREATE_FILE, null);
}
});
}
@Override
public void onRestoreInstanceState(Bundle savedInstanceState) {
permissionHandler.onRestoreInstanceState(savedInstanceState);
}
@Override
public void onSaveInstanceState(Bundle outState) {
permissionHandler.onSaveInstanceState(outState);
super.onSaveInstanceState(outState);
}
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
permissionHandler.onActivityResult(this, requestCode, resultCode, data);
}
@Override
public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
super.onRequestPermissionsResult(requestCode, permissions, grantResults);
permissionHandler.onRequestPermissionsResult(this, requestCode, permissions, grantResults);
}
private void doCreation() {
int fileId = createFile();
String result;
if (fileId == CREATE_FILE_FAILED) {
result = "File creation failed";
} else {
result = String.format("File %s created", genFileName(fileId));
}
Toast.makeText(this, result, Toast.LENGTH_LONG).show();
}
private int createFile() {
String root = Environment.getExternalStorageDirectory().toString();
int fileId = 0;
String fileName = genFileName(fileId);
File file = new File (root, fileName);
while (file.exists ()) {
fileId++;
fileName = genFileName(fileId);
file = new File (root, fileName);
}
try {
FileOutputStream out = new FileOutputStream(file);
out.write("PERMISSION_HANDLER\n".getBytes());
out.flush();
out.close();
} catch (Exception e) {
e.printStackTrace();
return CREATE_FILE_FAILED;
}
return fileId;
}
private String genFileName(int fileId) {
return "File-"+ fileId +".txt";
}
}