[英]rating bar is not showing in alert dialog
我正在創建一個應用程序,我允許客戶對應用程序進行評分。
我有兩個問題
首先。
我在警報對話框中添加了評級欄,但不知道為什么它會覆蓋我為提交評級而創建的按鈕。 我已經嘗試使用 margin-top for button 仍然無法正常工作
第二。
提交時也沒有顯示吐司消息。
警報對話框代碼
if (id == R.id.nav_rate) {
AlertDialog.Builder mBuild = new AlertDialog.Builder(homeActivity.this);
View mView = getLayoutInflater().inflate(R.layout.ratingbar,null);
final RatingBar ratebar = (RatingBar)mView.findViewById(R.id.ratingBar);
Button btnSubmit=(Button)mView.findViewById(R.id.btnSubRating);
btnSubmit.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
ratebar.setOnRatingBarChangeListener(new RatingBar.OnRatingBarChangeListener() {
@Override
public void onRatingChanged(RatingBar ratingBar, float rating, boolean fromUser) {
Toast.makeText(homeActivity.this, ((int) rating),Toast.LENGTH_LONG).show();
}
});
}
});
mBuild.setView(mView);
AlertDialog dialog=mBuild.create();
dialog.show();
}
布局文件
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical" android:layout_width="match_parent"
android:layout_height="wrap_content">
<RatingBar
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/ratingBar"
android:numStars="5"
android:rating="1"
android:stepSize="0.5"
android:layout_above="@+id/btnSubRating"
android:layout_centerHorizontal="true"
android:layout_marginBottom="48dp"
android:layout_gravity="center_horizontal" />
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Submit"
android:id="@+id/btnSubRating"
android:layout_centerVertical="true"
android:layout_centerHorizontal="true"
android:layout_gravity="center_horizontal" />
public class homeActivity extends AppCompatActivity {
private float rateValue;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
AlertDialog.Builder mBuild = new AlertDialog.Builder(homeActivity.this);
View mView = getLayoutInflater().inflate(R.layout.ratingbar,null);
final RatingBar ratebar = (RatingBar)mView.findViewById(R.id.ratingBar);
ratebar.setOnRatingBarChangeListener(new RatingBar.OnRatingBarChangeListener() {
@Override
public void onRatingChanged(RatingBar ratingBar, float rating, boolean fromUser) {
rateValue = rating;
Toast.makeText(homeActivity.this, ""+rating, Toast.LENGTH_SHORT).show();
}
});
Button btnSubmit=(Button)mView.findViewById(R.id.btnSubRating);
btnSubmit.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
Toast.makeText(homeActivity.this, ""+rateValue, Toast.LENGTH_SHORT).show();
}
});
mBuild.setView(mView);
AlertDialog dialog=mBuild.create();
dialog.show();
}
}
XML
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/rate_parent"
android:weightSum="10">
<RatingBar
android:layout_marginBottom="30dp"
android:layout_weight="5"
android:layout_width="wrap_content"
android:layout_height="0dp"
android:id="@+id/ratingBar"
android:numStars="5"
android:rating="1"
android:stepSize="0.5"
android:layout_above="@+id/btnSubRating"
android:layout_centerHorizontal="true"
android:layout_gravity="center_horizontal" />
<Button
android:layout_weight="5"
android:layout_width="wrap_content"
android:layout_height="0dp"
android:text="Submit"
android:id="@+id/btnSubRating"
android:layout_centerVertical="true"
android:layout_centerHorizontal="true"
android:layout_gravity="center_horizontal" />
</LinearLayout>
您已經修復了對話框的大小,該大小不允許評分欄放入其中。
替換dialog.getWindow().setLayout(600, 400);
與dialog.getWindow().setLayout(800, 600);
在您的活動中
創建類變量:-
float rating=0;
並使用它來存儲評級點擊評級
AlertDialog.Builder mBuild = new AlertDialog.Builder(MainActivity.this);
View mView = getLayoutInflater().inflate(R.layout.ratingbar,null);
final RatingBar ratebar = (RatingBar)mView.findViewById(R.id.ratingBar);
Button btnSubmit=(Button)mView.findViewById(R.id.btnSubRating);
ratebar.setOnRatingBarChangeListener(new RatingBar.OnRatingBarChangeListener() {
@Override
public void onRatingChanged(RatingBar ratingBar, float v, boolean b) {
rating=v;
}
});
btnSubmit.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
Toast.makeText(homeActivity.this, String.valueOf(ratebar.getRating()),Toast.LENGTH_LONG).show();
}
});
mBuild.setView(mView);
AlertDialog dialog=mBuild.create();
dialog.getWindow().setLayout(600, 400);
dialog.show();
}
試試吧:
AlertDialog alertDialog = mBuild.show();
反而:
AlertDialog dialog=mBuild.create();
dialog.getWindow().setLayout(600, 400);
dialog.show();
此外: android:layout_above 只允許在 RelativeLayout 上(所以刪除它)
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