Example of receiving a result from another activity. : Activity « UI « Android

1. Android
2. UI
3. Activity

Example of receiving a result from another activity.

     


/*
 * 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.app;

// Need the following import to get access to the app resources, since this
// class is in a sub-package.
import com.example.android.apis.R;

import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;


/**
 * Example of receiving a result from another activity.
 */
public class SendResult extends Activity
{
    /**
     * Initialization of the Activity after it is first created.  Must at least
     * call {@link android.app.Activity#setContentView setContentView()} to
     * describe what is to be displayed in the screen.
     */
    @Override
  protected void onCreate(Bundle savedInstanceState)
    {
        // Be sure to call the super class.
        super.onCreate(savedInstanceState);

        // See assets/res/any/layout/hello_world.xml for this
        // view layout definition, which is being set here as
        // the content of our screen.
        setContentView(R.layout.send_result);

        // Watch for button clicks.
        Button button = (Button)findViewById(R.id.corky);
        button.setOnClickListener(mCorkyListener);
        button = (Button)findViewById(R.id.violet);
        button.setOnClickListener(mVioletListener);
    }

    private OnClickListener mCorkyListener = new OnClickListener()
    {
        public void onClick(View v)
        {
            // To send a result, simply call setResult() before your
            // activity is finished.
            setResult(RESULT_OK, (new Intent()).setAction("Corky!"));
            finish();
        }
    };

    private OnClickListener mVioletListener = new OnClickListener()
    {
        public void onClick(View v)
        {
            // To send a result, simply call setResult() before your
            // activity is finished.
            setResult(RESULT_OK, (new Intent()).setAction("Violet!"));
            finish();
        }
    };
}



<?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.
-->

<!-- Demonstrates receiving activity results.
     See corresponding Java code com.android.sdk.app.ReceiveResult.java. -->

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
        android:layout_width="match_parent" android:layout_height="match_parent"
        android:orientation="vertical"
        android:padding="4dip"
        android:gravity="center_horizontal">

    <TextView
            android:layout_width="match_parent" android:layout_height="wrap_content"
            android:layout_weight="0"
            android:paddingBottom="8dip"
            android:textAppearance="?android:attr/textAppearanceMedium"
            android:text="@string/pick_result"/>

    <Button android:id="@+id/corky"
            android:layout_width="wrap_content" android:layout_height="wrap_content"
            android:text="@string/corky">
            <requestFocus />
    </Button>

    <Button android:id="@+id/violet"
            android:layout_width="wrap_content" android:layout_height="wrap_content"
            android:text="@string/violet">
    </Button>

</LinearLayout>

   
    
    
    
    
  

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