Android example source code file (LocalSampleInstrumentation.java)

This example Android source code file (LocalSampleInstrumentation.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Android by Example" ^TM.

Java - Android tags/keywords

activityrunnable, android, app, application, contactsfilterinstrumentation, content, done, final, initial, intent, localsampleinstrumentation, os, override, saverestorestate, util

The LocalSampleInstrumentation.java Android example source code

/*
 * 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;

import android.app.Activity;
import android.app.Instrumentation;
import android.content.Intent;
import android.view.KeyEvent;
import android.os.Bundle;
import android.util.Log;

import java.util.Map;

/**
 * This is an example implementation of the {@link android.app.Instrumentation}
 * class demonstrating instrumentation against one of this application's sample
 * activities.
 */
public class LocalSampleInstrumentation extends Instrumentation {
    public abstract static class ActivityRunnable implements Runnable {
        public final Activity activity;
        public ActivityRunnable(Activity _activity) {
            activity = _activity;
        }
    }

    @Override
    public void onCreate(Bundle arguments) {
        super.onCreate(arguments);

        // When this instrumentation is created, we simply want to start
        // its test code off in a separate thread, which will call back
        // to us in onStart().
        start();
    }

    @Override
    public void onStart() {
        super.onStart();
        // First start the activity we are instrumenting -- the save/restore
        // state sample, which has a nice edit text into which we can write
        // text.
        Intent intent = new Intent(Intent.ACTION_MAIN);
        intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
        intent.setClass(getTargetContext(), SaveRestoreState.class);
        SaveRestoreState activity = (SaveRestoreState)startActivitySync(intent);

        // This is the Activity object that was started, to do with as we want.
        Log.i("LocalSampleInstrumentation",
              "Initial text: " + activity.getSavedText());

        // Clear the text so we start fresh.
        runOnMainSync(new ActivityRunnable(activity) {
            public void run() {
                ((SaveRestoreState)activity).setSavedText("");
            }
        });

        // Act like the user is typing some text.
        sendKeySync(new KeyEvent(KeyEvent.ACTION_DOWN, KeyEvent.KEYCODE_SHIFT_LEFT));
        sendCharacterSync(KeyEvent.KEYCODE_H);
        sendKeySync(new KeyEvent(KeyEvent.ACTION_UP, KeyEvent.KEYCODE_SHIFT_LEFT));
        sendCharacterSync(KeyEvent.KEYCODE_E);
        sendCharacterSync(KeyEvent.KEYCODE_L);
        sendCharacterSync(KeyEvent.KEYCODE_L);
        sendCharacterSync(KeyEvent.KEYCODE_O);

        // Wait for the activity to finish all of its processing.
        waitForIdleSync();

        // Retrieve the text we should have written...
        Log.i("LocalSampleInstrumentation",
              "Final text: " + activity.getSavedText());

        // And we are done!
        Log.i("ContactsFilterInstrumentation", "Done!");
        finish(Activity.RESULT_OK, null);
    }
}