Move Magisk Manager files into subfolder

app/src/main/java/com/topjohnwu/magisk/components/Activity.java

@@ -0,0 +1,94 @@
+package com.topjohnwu.magisk.components;
+
+import android.content.Context;
+import android.content.Intent;
+import android.content.pm.PackageManager;
+import android.content.res.Configuration;
+import android.support.annotation.NonNull;
+import android.support.v4.app.ActivityCompat;
+import android.support.v4.content.ContextCompat;
+import android.widget.Toast;
+
+import com.topjohnwu.magisk.NoUIActivity;
+import com.topjohnwu.magisk.R;
+import com.topjohnwu.magisk.utils.Const;
+
+public abstract class Activity extends FlavorActivity {
+
+    protected static Runnable permissionGrantCallback;
+
+    private ActivityResultListener activityResultListener;
+
+    public Activity() {
+        super();
+        Configuration configuration = new Configuration();
+        configuration.setLocale(Application.locale);
+        applyOverrideConfiguration(configuration);
+    }
+
+    public static void runWithPermission(Context context, String[] permissions, Runnable callback) {
+        boolean granted = true;
+        for (String perm : permissions) {
+            if (ContextCompat.checkSelfPermission(context, perm) != PackageManager.PERMISSION_GRANTED)
+                granted = false;
+        }
+        if (granted) {
+            callback.run();
+        } else {
+            // Passed in context should be an activity if not granted, need to show dialog!
+            permissionGrantCallback = callback;
+            if (!(context instanceof Activity)) {
+                // Start activity to show dialog
+                Intent intent = new Intent(context, NoUIActivity.class);
+                intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
+                intent.putExtra(Const.Key.INTENT_PERM, permissions);
+                context.startActivity(intent);
+            } else {
+                ActivityCompat.requestPermissions((Activity) context, permissions, 0);
+            }
+        }
+    }
+
+    public void runWithPermission(String[] permissions, Runnable callback) {
+        runWithPermission(this, permissions, callback);
+    }
+
+    @Override
+    public Application getApplicationContext() {
+        return (Application) super.getApplicationContext();
+    }
+
+    @Override
+    public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
+        boolean grant = true;
+        for (int result : grantResults) {
+            if (result != PackageManager.PERMISSION_GRANTED)
+                grant = false;
+        }
+        if (grant) {
+            if (permissionGrantCallback != null) {
+                permissionGrantCallback.run();
+            }
+        } else {
+            Application.toast(R.string.no_rw_storage, Toast.LENGTH_LONG);
+        }
+        permissionGrantCallback = null;
+    }
+
+    @Override
+    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
+        if (activityResultListener != null)
+            activityResultListener.onActivityResult(requestCode, resultCode, data);
+        activityResultListener = null;
+    }
+
+    public void startActivityForResult(Intent intent, int requestCode, ActivityResultListener listener) {
+        activityResultListener = listener;
+        super.startActivityForResult(intent, requestCode);
+    }
+
+    public interface ActivityResultListener {
+        void onActivityResult(int requestCode, int resultCode, Intent data);
+    }
+
+}

app/src/main/java/com/topjohnwu/magisk/components/Application.java

@@ -0,0 +1,34 @@
+package com.topjohnwu.magisk.components;
+
+import android.os.Handler;
+import android.widget.Toast;
+
+import java.lang.ref.WeakReference;
+import java.util.Locale;
+
+public abstract class Application extends android.app.Application {
+
+    public static WeakReference<Application> weakSelf;
+    public static Locale locale;
+    public static Locale defaultLocale;
+
+    private static Handler mHandler = new Handler();
+
+    public Application() {
+        weakSelf = new WeakReference<>(this);
+    }
+
+    @Override
+    public void onCreate() {
+        super.onCreate();
+        locale = defaultLocale = Locale.getDefault();
+    }
+
+    public static void toast(CharSequence msg, int duration) {
+        mHandler.post(() -> Toast.makeText(weakSelf.get(), msg, duration).show());
+    }
+
+    public static void toast(int resId, int duration) {
+        mHandler.post(() -> Toast.makeText(weakSelf.get(), resId, duration).show());
+    }
+}