Android Implementation Load Dialog Box
- 2021-11-14 07:12:16
- OfStack
This article example for everyone to share the Android implementation of the specific load dialog box code, for your reference, the specific content is as follows
Here is a simple 1 under the two ways to load dialog: 1. Use animation to rotate a picture 2. Use progressbar.
Simply put, dialog is a pop-up window, and the layout defined by yourself is placed in window. The loading dialog box is a loaded animation, and the core is to realize this animation. So the methods can be, add animation to pictures, or use progressbar.
Method 1: Use animation to rotate 1 picture
Look at the layout first:
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="@drawable/dialog_bg_while"
android:orientation="vertical" >
<ImageView
android:layout_width="54dp"
android:id="@+id/loading_dialog_pic"
android:layout_height="54dp"
android:layout_gravity="center_horizontal"
android:layout_marginTop="15dp"
android:background="@drawable/loading" />
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center_horizontal"
android:layout_marginTop="10dp"
android:text=" Loading ..." />
</LinearLayout>
Then customize Alertdialog and add rotation animation to the picture:
public class LoadingDialog extends AlertDialog {
private final String DEFAULT_TEXT=" Loading ";
private ImageView mImageview;
private TextView mTextView;
private LinearLayout mLayout;
private String mText;
protected LoadingDialog(Context context) {
super(context);
// TODO Auto-generated constructor stub
}
@Override
protected void onCreate(Bundle savedInstanceState) {
// TODO Auto-generated method stub
super.onCreate(savedInstanceState);
mLayout=(LinearLayout) LinearLayout.inflate(getContext(), R.layout.loading_dialog, null);
mImageview=(ImageView) mLayout.findViewById(R.id.loading_dialog_pic);
mTextView=(TextView) mLayout.findViewById(R.id.loading_dialog_text);
loadanimation();
getWindow().setContentView(mLayout);
}
private void loadanimation() {// Add rotation animation to the picture
// TODO Auto-generated method stub
Animation anim=AnimationUtils.loadAnimation(getContext(), R.anim.loading_dialog_anim);
LinearInterpolator lin = new LinearInterpolator();
anim.setInterpolator(lin);
mImageview.setAnimation(anim);
}
}
Look at the animation of xml:
<?xml version="1.0" encoding="utf-8"?>
<set xmlns:android="http://schemas.android.com/apk/res/android" >
<rotate
android:duration="1500"
android:pivotX="50%"
android:pivotY="50%"
android:fromDegrees="0.0"
android:repeatCount="infinite"
android:toDegrees="-358" />
</set>
Mode 2: Use progressbar
The first is an animation-list:
<?xml version="1.0" encoding="utf-8"?>
<animation-list xmlns:android="http://schemas.android.com/apk/res/android" >
<item
android:drawable="@drawable/loading1"
android:duration="100"/>
<item
android:drawable="@drawable/loading2"
android:duration="100"/>
<item
android:drawable="@drawable/loading3"
android:duration="100"/>
<item
android:drawable="@drawable/loading4"
android:duration="100"/>
<item
android:drawable="@drawable/loading5"
android:duration="100"/>
<item
android:drawable="@drawable/loading6"
android:duration="100"/>
<item
android:drawable="@drawable/loading7"
android:duration="100"/>
<item
android:drawable="@drawable/loading8"
android:duration="100"/>
</animation-list>
Look at the implementation of the layout under 1:
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:background="@drawable/dialog_bg_while"
android:orientation="vertical" >
<ProgressBar
style="@android:style/Widget.ProgressBar.Large"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center_horizontal"
android:layout_marginTop="10dp"
android:indeterminateDrawable="@drawable/loading_animation_list"
android:indeterminateDuration="1500" />
<View
android:layout_width="match_parent"
android:layout_height="1dp"
android:background="#00BCD4" />
<TextView
android:id="@+id/loading_dialog_text"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center_horizontal"
android:layout_marginTop="10dp"
android:text=" Loading ..." />
</LinearLayout>
Then customize 1 alertdialog:
public class LoadingDialog extends AlertDialog {
private final String DEFAULT_TEXT=" Loading ";
private TextView mTextView;
private LinearLayout mLayout;
private String mText;
protected LoadingDialog(Context context) {
super(context);
// TODO Auto-generated constructor stub
}
@Override
protected void onCreate(Bundle savedInstanceState) {
// TODO Auto-generated method stub
super.onCreate(savedInstanceState);
mLayout=(LinearLayout) LinearLayout.inflate(getContext(), R.layout.loading_dialog, null);
mTextView=(TextView) mLayout.findViewById(R.id.loading_dialog_text);
WindowManager m=(WindowManager) getContext().getSystemService(getContext().WINDOW_SERVICE);
int windowwith=m.getDefaultDisplay().getWidth();
int w=windowwith*3/5;
int h=300;
getWindow().setLayout(w, h);// Setting the dialog box form size
getWindow().setContentView(mLayout);
}
}