initial commit

app/src/main/java/com/stardust/scriptdroid/BaseActivity.java

@@ -0,0 +1,32 @@
+package com.stardust.scriptdroid;
+
+import android.os.Build;
+import android.support.v7.app.AppCompatActivity;
+import android.view.View;
+
+import java.util.stream.Stream;
+
+import static android.content.pm.PackageManager.PERMISSION_DENIED;
+
+/**
+ * Created by Stardust on 2017/1/23.
+ */
+
+public class BaseActivity extends AppCompatActivity {
+
+
+    @SuppressWarnings("unchecked")
+    public <T extends View> T $(int resId) {
+        return (T) findViewById(resId);
+    }
+
+    protected void checkPermission(String... permissions) {
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
+            String[] requestPermissions = Stream.of(permissions).filter(permission -> checkSelfPermission(permission) == PERMISSION_DENIED).toArray(String[]::new);
+
+            if (requestPermissions.length > 0)
+                requestPermissions(requestPermissions, 0);
+        }
+    }
+
+}