1 files changed, 146 insertions, 0 deletions
diff --git a/tests/BatteryWaster/src/com/android/batterywaster/BatteryWaster.java b/tests/BatteryWaster/src/com/android/batterywaster/BatteryWaster.java
new file mode 100644
index 0000000..8ea7e00
--- /dev/null
+++ b/tests/BatteryWaster/src/com/android/batterywaster/BatteryWaster.java
@@ -0,0 +1,146 @@
+/*
+ * Copyright (C) 2009 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.android.batterywaster;
+
+import android.app.Activity;
+import android.content.BroadcastReceiver;
+import android.content.Context;
+import android.content.Intent;
+import android.content.IntentFilter;
+import android.os.BatteryManager;
+import android.os.Bundle;
+import android.os.PowerManager;
+import android.view.View;
+import android.widget.CheckBox;
+import android.widget.TextView;
+
+import java.text.DateFormat;
+import java.util.Date;
+
+/**
+ * So you thought sync used up your battery life.
+ */
+public class BatteryWaster extends Activity {
+    TextView mLog;
+    DateFormat mDateFormat;
+    IntentFilter mFilter;
+    PowerManager.WakeLock mWakeLock;
+    SpinThread mThread;
+
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+
+        // Set the layout for this activity.  You can find it
+        // in res/layout/hello_activity.xml
+        setContentView(R.layout.battery_waster);
+
+        findViewById(R.id.checkbox).setOnClickListener(mClickListener);
+        mLog = (TextView)findViewById(R.id.log);
+
+        mDateFormat = DateFormat.getInstance();
+
+        mFilter = new IntentFilter();
+        mFilter.addAction(Intent.ACTION_BATTERY_CHANGED);
+        mFilter.addAction(Intent.ACTION_BATTERY_LOW);
+        mFilter.addAction(Intent.ACTION_BATTERY_OKAY);
+        mFilter.addAction(Intent.ACTION_POWER_CONNECTED);
+
+        PowerManager pm = (PowerManager)getSystemService(POWER_SERVICE);
+        mWakeLock = pm.newWakeLock(PowerManager.FULL_WAKE_LOCK, "BatteryWaster");
+        mWakeLock.setReferenceCounted(false);
+    }
+
+    @Override
+    public void onPause() {
+        stopRunning();
+    }
+
+    View.OnClickListener mClickListener = new View.OnClickListener() {
+        public void onClick(View v) {
+            CheckBox checkbox = (CheckBox)v;
+            if (checkbox.isChecked()) {
+                startRunning();
+            } else {
+                stopRunning();
+            }
+        }
+    };
+
+    void startRunning() {
+        log("Start");
+        registerReceiver(mReceiver, mFilter);
+        mWakeLock.acquire();
+        if (mThread == null) {
+            mThread = new SpinThread();
+            mThread.start();
+        }
+    }
+
+    void stopRunning() {
+        log("Stop");
+        unregisterReceiver(mReceiver);
+        mWakeLock.release();
+        if (mThread != null) {
+            mThread.quit();
+            mThread = null;
+        }
+    }
+
+    void log(String s) {
+        mLog.setText(mLog.getText() + "\n" + mDateFormat.format(new Date()) + ": " + s);
+    }
+
+    BroadcastReceiver mReceiver = new BroadcastReceiver() {
+        public void onReceive(Context context, Intent intent) {
+            String action = intent.getAction();
+            String title = action;
+            int index = title.lastIndexOf('.');
+            if (index >= 0) {
+                title = title.substring(index + 1);
+            }
+            if (Intent.ACTION_BATTERY_CHANGED.equals(action)) {
+                int level = intent.getIntExtra(BatteryManager.EXTRA_LEVEL, -1);
+                log(title + ": level=" + level);
+            } else {
+                log(title);
+            }
+        }
+    };
+
+    class SpinThread extends Thread {
+        private boolean mStop;
+
+        public void quit() {
+            synchronized (this) {
+                mStop = true;
+            }
+        }
+
+        public void run() {
+            while (true) {
+                synchronized (this) {
+                    if (mStop) {
+                        return;
+                    }
+                }
+            }
+        }
+    }
+}
+
+