I'm building a dialog including seekbar but i can't locate the seekbar
by findViewById, it only returns nullpoint.
My code:
Context mContext = this;
LayoutInflater inflater = (LayoutInflater)
mContext.getSystemService(LAYOUT_INFLATER_SERVICE);
View layout = inflater.inflate(R.layout.brightness,
(ViewGroup)
findViewById(R.id.layout_root));
builder = new AlertDialog.Builder(mContext);
builder.setView(layout);
builder.setTitle("Brightness");
builder.setPositiveButton("Ok", new
DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int
whichButton) {
/////////// The seekBar here is a null point however?
SeekBar seekBar = (SeekBar)
findViewById(R.id.seekbar);
int progress = seekBar.getProgress();
Log.v(TAG, "=====++++ progress is : " +
progress);
}
});
And my layouy brightness.xml
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/
android"
android:id="@+id/layout_root" android:orientation="vertical"
android:layout_width="fill_parent"
android:layout_height="fill_parent" android:gravity="center">
<ImageView android:id="@+id/brightness_level_icon"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:src="@drawable/
brightness_level_icon"
/>
<SeekBar android:id="@+id/seekbar" android:layout_width="fill_parent"
android:layout_height="wrap_content" android:max="255"
android:progress="125" />
</LinearLayout>
Any hints from your experts？thanks.
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