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global: Clean up Java

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Address Java and Android lints.

Signed-off-by: Samuel Holland <samuel@sholland.org>
This commit is contained in:
Samuel Holland
2018-04-30 11:50:21 -05:00
parent 8e4fb91a28
commit 843003f436
13 changed files with 237 additions and 215 deletions
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app/src/main/java/com/wireguard/android/activity/SettingsActivity.java
+9 -9
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@@ -17,28 +17,29 @@ import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
/**
* Interface for changing application-global persistent settings.
*/
public class SettingsActivity extends AppCompatActivity {
private HashMap<Integer, PermissionRequestCallback> permissionRequestCallbacks = new HashMap<>();
private int permissionRequestCounter = 0;
private final Map<Integer, PermissionRequestCallback> permissionRequestCallbacks = new HashMap<>();
private int permissionRequestCounter;
public synchronized void ensurePermissions(String[] permissions, PermissionRequestCallback cb) {
List<String> needPermissions = new ArrayList<>(permissions.length);
public void ensurePermissions(final String[] permissions, final PermissionRequestCallback cb) {
final List<String> needPermissions = new ArrayList<>(permissions.length);
for (final String permission : permissions) {
if (ActivityCompat.checkSelfPermission(this, permission) != PackageManager.PERMISSION_GRANTED)
needPermissions.add(permission);
}
if (needPermissions.isEmpty()) {
int[] granted = new int[permissions.length];
final int[] granted = new int[permissions.length];
Arrays.fill(granted, PackageManager.PERMISSION_GRANTED);
cb.done(permissions, granted);
return;
}
int idx = permissionRequestCounter++;
final int idx = permissionRequestCounter++;
permissionRequestCallbacks.put(idx, cb);
ActivityCompat.requestPermissions(this, needPermissions.toArray(new String[needPermissions.size()]), idx);
}
@@ -54,7 +55,7 @@ public class SettingsActivity extends AppCompatActivity {
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
public boolean onOptionsItemSelected(final MenuItem item) {
switch (item.getItemId()) {
case android.R.id.home:
finish();
@@ -65,7 +66,7 @@ public class SettingsActivity extends AppCompatActivity {
}
@Override
public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
public void onRequestPermissionsResult(final int requestCode, @NonNull final String[] permissions, @NonNull final int[] grantResults) {
final PermissionRequestCallback f = permissionRequestCallbacks.get(requestCode);
if (f != null) {
permissionRequestCallbacks.remove(requestCode);
@@ -73,7 +74,6 @@ public class SettingsActivity extends AppCompatActivity {
}
}
@FunctionalInterface
public interface PermissionRequestCallback {
void done(String[] permissions, int[] grantResults);
}