mirror of
https://code.briarproject.org/briar/briar.git
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96 lines
2.7 KiB
Java
96 lines
2.7 KiB
Java
package org.briarproject.android.util;
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import android.annotation.SuppressLint;
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import android.bluetooth.BluetoothAdapter;
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import android.content.Context;
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import android.os.Build;
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import android.provider.Settings;
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import android.support.design.widget.TextInputLayout;
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import org.briarproject.util.FileUtils;
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import org.briarproject.util.StringUtils;
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import java.io.File;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.Collection;
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import java.util.Collections;
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import java.util.List;
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import static android.content.Context.MODE_PRIVATE;
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public class AndroidUtils {
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// Fake Bluetooth address returned by BluetoothAdapter on API 23 and later
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private static final String FAKE_BLUETOOTH_ADDRESS = "02:00:00:00:00:00";
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private static final String STORED_REPORTS = "dev-reports";
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@SuppressLint("NewApi")
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@SuppressWarnings("deprecation")
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public static Collection<String> getSupportedArchitectures() {
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List<String> abis = new ArrayList<String>();
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if (Build.VERSION.SDK_INT >= 21) {
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abis.addAll(Arrays.asList(Build.SUPPORTED_ABIS));
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} else {
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abis.add(Build.CPU_ABI);
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if (Build.CPU_ABI2 != null) abis.add(Build.CPU_ABI2);
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}
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return Collections.unmodifiableList(abis);
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}
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public static void setError(TextInputLayout til, String error,
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boolean condition) {
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if (condition) {
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if (til.getError() == null)
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til.setError(error);
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} else
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til.setError(null);
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}
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public static void enableBluetooth(final BluetoothAdapter adapter,
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final boolean enable) {
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new Thread() {
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@Override
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public void run() {
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if (enable) adapter.enable();
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else adapter.disable();
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}
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}.start();
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}
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public static String getBluetoothAddress(Context ctx,
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BluetoothAdapter adapter) {
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// Return the adapter's address if it's valid and not fake
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String address = adapter.getAddress();
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if (isValidBluetoothAddress(address)) return address;
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// Return the address from settings if it's valid and not fake
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address = Settings.Secure.getString(ctx.getContentResolver(),
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"bluetooth_address");
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if (isValidBluetoothAddress(address)) return address;
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// Let the caller know we can't find the address
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return "";
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}
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private static boolean isValidBluetoothAddress(String address) {
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return !StringUtils.isNullOrEmpty(address)
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&& BluetoothAdapter.checkBluetoothAddress(address)
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&& !address.equals(FAKE_BLUETOOTH_ADDRESS);
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}
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public static void deleteAppData(Context ctx) {
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File dataDir = new File(ctx.getApplicationInfo().dataDir);
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File[] children = dataDir.listFiles();
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if (children != null) {
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for (File child : children) {
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if (!child.getName().equals("lib"))
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FileUtils.deleteFileOrDir(child);
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}
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}
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}
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public static File getReportDir(Context ctx) {
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return ctx.getDir(STORED_REPORTS, MODE_PRIVATE);
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}
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}
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