Look at the stack crawl that is printed when the app is crashed and try to
determine from that what went wrong. That is your first job, before asking
for help here.
On Wed, May 4, 2011 at 1:20 AM, Omkar <omkar.ghai...@gmail.com> wrote:
> I have pasted my code below.. I somehow dont get the Toast at all even
> when the app is triggered on usb cable plugin to the device. It starts
> off but force closes.. Pls suggest whats wrong here. I have a intent
> filter under receiver for Action_Power_Connected and disconnected
> under the manifest file whereas a intentfilter for
> action_battery_changed for actual battery details.
>
> package com.utilities.android.batterylog;
>
> 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.Handler;
> import android.os.Message;
> import android.widget.TextView;
> import android.widget.Toast;
>
> public class BatteryLog extends Activity {
> private TextView mStatus;
> private TextView mLevel;
> private TextView mScale;
> private TextView mHealth;
> private TextView mVoltage;
> private TextView mTemperature;
> private TextView mTechnology;
>
> private static final int EVENT_TICK = 1;
>
> private Handler mHandler = new Handler() {
> @Override
> public void handleMessage(Message msg) {
> switch (msg.what) {
> case EVENT_TICK:
> //updateBatteryStats();
> sendEmptyMessageDelayed(EVENT_TICK, 1000);
> break;
> }
> }
> };
>
> /**
> * Format a number of tenths-units as a decimal string without
> using a
> * conversion to float. E.g. 347 -> "34.7"
> */
> private final String tenthsToFixedString(int x) {
> int tens = x / 10;
> return new String("" + tens + "." + (x - 10*tens));
> }
>
> /**
> *Listens for intent broadcasts
> */
> private IntentFilter mIntentFilter;
>
> private BroadcastReceiver mIntentReceiver = new
> BroadcastReceiver() {
> @Override
> public void onReceive(Context context, Intent intent) {
> String action = intent.getAction();
>
> if(action.equals(intent.ACTION_POWER_CONNECTED))
> {
> Toast.makeText(context, "Power Connected", (int)
> System.currentTimeMillis());
> }
> else if(action.equals(intent.ACTION_POWER_DISCONNECTED))
> {
> Toast.makeText(context, "Power DisConnected", (int)
> System.currentTimeMillis());
> }
> else if (action.equals(Intent.ACTION_BATTERY_CHANGED)) {
> int plugType = intent.getIntExtra("plugged", 0);
>
> mLevel.setText("level = " +
> intent.getIntExtra("level", 0));
> mScale.setText("scale = " +
> intent.getIntExtra("scale", 0));
> mVoltage.setText("voltage = " +
> intent.getIntExtra("voltage", 0) + " "
> +
> getString(R.string.battery_info_voltage_units));
> mTemperature.setText("temperature = " +
> tenthsToFixedString(intent.getIntExtra("temperature", 0))
> +
> getString(R.string.battery_info_temperature_units));
> mTechnology.setText("technology = " +
> intent.getStringExtra("technology"));
>
> int status = intent.getIntExtra("status",
> BatteryManager.BATTERY_STATUS_UNKNOWN);
> String statusString;
> if (status == BatteryManager.BATTERY_STATUS_CHARGING)
> {
> statusString =
> getString(R.string.battery_info_status_charging);
> if (plugType > 0) {
> statusString = statusString + " = " +
> getString(
> (plugType ==
> BatteryManager.BATTERY_PLUGGED_AC)
> ?
> R.string.battery_info_status_charging_ac
> :
> R.string.battery_info_status_charging_usb);
> }
> } else if (status ==
> BatteryManager.BATTERY_STATUS_DISCHARGING) {
> statusString =
> getString(R.string.battery_info_status_discharging);
> } else if (status ==
> BatteryManager.BATTERY_STATUS_NOT_CHARGING) {
> statusString =
> getString(R.string.battery_info_status_not_charging); }
> else if (status == BatteryManager.BATTERY_STATUS_FULL)
> {
> statusString =
> getString(R.string.battery_info_status_full);
> } else {
> statusString =
> getString(R.string.battery_info_status_unknown);
> }
> mStatus.setText(statusString);
>
> int health = intent.getIntExtra("health",
> BatteryManager.BATTERY_HEALTH_UNKNOWN);
> String healthString;
> if (health == BatteryManager.BATTERY_HEALTH_GOOD) {
> healthString =
> getString(R.string.battery_info_health_good);
> } else if (health ==
> BatteryManager.BATTERY_HEALTH_OVERHEAT) {
> healthString =
> getString(R.string.battery_info_health_overheat);
> } else if (health ==
> BatteryManager.BATTERY_HEALTH_DEAD) {
> healthString =
> getString(R.string.battery_info_health_dead);
> } else if (health ==
> BatteryManager.BATTERY_HEALTH_OVER_VOLTAGE) {
> healthString =
> getString(R.string.battery_info_health_over_voltage);
> } else if (health ==
> BatteryManager.BATTERY_HEALTH_UNSPECIFIED_FAILURE) {
> healthString =
> getString(R.string.battery_info_health_unspecified_failure);
> } else {
> healthString =
> getString(R.string.battery_info_health_unknown);
> }
> mHealth.setText(healthString);
> }
> }
> };
>
> @Override
> public void onCreate(Bundle icicle) {
> super.onCreate(icicle);
>
> setContentView(R.layout.main);
>
> // create the IntentFilter that will be used to listen
> // to battery status broadcasts
> mIntentFilter = new IntentFilter();
> mIntentFilter.addAction(Intent.ACTION_BATTERY_CHANGED);
> }
>
> @Override
> public void onResume() {
> super.onResume();
>
> mStatus = (TextView)findViewById(R.id.status);
> mLevel = (TextView)findViewById(R.id.level);
> mScale = (TextView)findViewById(R.id.scale);
> mHealth = (TextView)findViewById(R.id.health);
> mTechnology = (TextView)findViewById(R.id.technology);
> mVoltage = (TextView)findViewById(R.id.voltage);
> mTemperature = (TextView)findViewById(R.id.temperature);
>
> mHandler.sendEmptyMessageDelayed(EVENT_TICK, 1000);
>
> registerReceiver(mIntentReceiver, mIntentFilter);
> }
>
> @Override
> public void onPause() {
> super.onPause();
> mHandler.removeMessages(EVENT_TICK);
>
> // we are no longer on the screen stop the observers
> unregisterReceiver(mIntentReceiver);
> }
>
> }
>
> --
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--
Dianne Hackborn
Android framework engineer
hack...@android.com
Note: please don't send private questions to me, as I don't have time to
provide private support, and so won't reply to such e-mails. All such
questions should be posted on public forums, where I and others can see and
answer them.
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