Use an indeterminate progress indicator in the window's title bar. : Progress « UI « Android

1. Android
2. UI
3. Progress

Use an indeterminate progress indicator in the window's title bar.

   

/*
 * Copyright (C) 2007 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.example.android.apis.view;

import com.example.android.apis.R;

import android.app.Activity;
import android.os.Bundle;
import android.view.Window;
import android.view.View;
import android.widget.Button;


/**
 * Demonstrates how to use an indeterminate progress indicator in the window's title bar.
 */
public class ProgressBar4 extends Activity {
    private boolean mToggleIndeterminate = false;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        // Request progress bar
        requestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS);
        setContentView(R.layout.progressbar_4);
        setProgressBarIndeterminateVisibility(mToggleIndeterminate);
        
        Button button = (Button) findViewById(R.id.toggle);
        button.setOnClickListener(new Button.OnClickListener() {
            public void onClick(View v) {
                mToggleIndeterminate = !mToggleIndeterminate;
                setProgressBarIndeterminateVisibility(mToggleIndeterminate);
            }
        });
    }
}

//layout/progressbar_4.xml

<?xml version="1.0" encoding="utf-8"?>
<!-- Copyright (C) 2007 The Android Open Source Project

     Licensed under the Apache License, Version 2.0 (the "License");
     you may not use this file except in compliance with the License.
     You may obtain a copy of the License at
  
          http://www.apache.org/licenses/LICENSE-2.0
  
     Unless required by applicable law or agreed to in writing, software
     distributed under the License is distributed on an "AS IS" BASIS,
     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     See the License for the specific language governing permissions and
     limitations under the License.
-->

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" 
    android:orientation="vertical"
    android:layout_width="match_parent" 
    android:layout_height="wrap_content">

    <Button android:id="@+id/toggle"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="progressbar_4_toggle" />

</LinearLayout>

   
    
    
  

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