Demonstrates using nextFocusForward to explicitly set sequential focus order. : Focus « UI « Android

1. Android
2. UI
3. Focus

Demonstrates using nextFocusForward to explicitly set sequential focus order.

   
/*
 * Copyright (C) 2010 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 android.app.Activity;
import android.os.Bundle;
import android.widget.Button;
import com.example.android.apis.R;

public class Focus5 extends Activity {
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        setContentView(R.layout.main);
    }
}
//main.xml

<?xml version="1.0" encoding="utf-8"?>
<!-- Copyright (C) 2010 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.
-->

<!-- Demonstrates using nextFocusForward to explicitly set sequential focus order.-->

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

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

        <Button android:id="@+id/button1"
            android:layout_height="wrap_content"
            android:layout_width="wrap_content"
            android:text="focus_5_button1"
            android:nextFocusForward="@+id/button2"/>

        <Button android:id="@+id/button2"
            android:layout_height="wrap_content"
            android:layout_width="wrap_content"
            android:text="focus_5_button2"
            android:nextFocusForward="@+id/button3"/>

        <Button android:id="@+id/button3"
            android:layout_height="wrap_content"
            android:layout_width="wrap_content"
            android:text="focus_5_button3"
            android:nextFocusForward="@+id/button4"/>

    </LinearLayout>

    <Button android:id="@+id/button4"
        android:layout_height="wrap_content"
        android:layout_width="wrap_content"
        android:text="focus_5_button4"
        android:nextFocusForward="@+id/button5"/>

    <Button android:id="@+id/button5"
        android:layout_height="wrap_content"
        android:layout_width="wrap_content"
        android:text="focus_5_button5"
        android:nextFocusForward="@+id/button1"/>
</LinearLayout>

   
    
    
  

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