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77 lines
2.7 KiB
77 lines
2.7 KiB
package com.m2049r.xmrwallet.util;
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import android.Manifest;
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import android.app.Activity;
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import android.content.Context;
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import android.content.pm.PackageManager;
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import android.os.Environment;
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import android.util.Log;
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import com.m2049r.xmrwallet.R;
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import java.io.File;
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public class Helper {
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static final String TAG = "Helper";
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static final String WALLET_DIR = "Monerujo";
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static public File getStorageRoot(Context context) {
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if (!isExternalStorageWritable()) {
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String msg = context.getString(R.string.message_strorage_not_writable);
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Log.e(TAG, msg);
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throw new IllegalStateException(msg);
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}
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File dir = new File(Environment.getExternalStorageDirectory(), WALLET_DIR);
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if (!dir.exists()) {
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Log.i(TAG, "Creating " + dir.getAbsolutePath());
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dir.mkdirs(); // try to make it
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}
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if (!dir.isDirectory()) {
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String msg = "Directory " + dir.getAbsolutePath() + " does not exists.";
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Log.e(TAG, msg);
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throw new IllegalStateException(msg);
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}
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return dir;
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}
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public static final int PERMISSIONS_REQUEST_WRITE_EXTERNAL_STORAGE = 1;
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static public boolean getWritePermission(Activity context) {
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if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.M) {
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if (context.checkSelfPermission(Manifest.permission.WRITE_EXTERNAL_STORAGE)
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== PackageManager.PERMISSION_DENIED) {
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Log.d("permission", "permission denied to WRITE_EXTERNAL_STORAGE - requesting it");
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String[] permissions = {Manifest.permission.WRITE_EXTERNAL_STORAGE};
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context.requestPermissions(permissions, PERMISSIONS_REQUEST_WRITE_EXTERNAL_STORAGE);
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return false;
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} else {
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return true;
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}
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} else {
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return true;
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}
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}
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static public String getWalletPath(Context context, String aWalletName) {
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File walletDir = getStorageRoot(context);
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Log.d(TAG, "walletdir=" + walletDir.getAbsolutePath());
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if (!walletDir.exists()) {
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Log.d(TAG, "walletdir did not exist!");
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walletDir.mkdirs();
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}
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File f = new File(walletDir, aWalletName);
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Log.d(TAG, "wallet = " + f.getAbsolutePath() + " size=" + f.length());
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return f.getAbsolutePath();
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}
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/* Checks if external storage is available for read and write */
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static public boolean isExternalStorageWritable() {
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String state = Environment.getExternalStorageState();
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if (Environment.MEDIA_MOUNTED.equals(state)) {
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return true;
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}
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return false;
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}
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}
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