I have system level privileges and I want to be have my widget be a default item on the devices home screen.
What I have tried using the following in my manifest
<uses-permission android:name="android.permission.BIND_APPWIDGET"/>
<uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED"/>
and this in the application tag in the manifest
<receiver
android:name=".StartOnBootReceiver"
android:enabled="true"
android:exported="true">
<intent-filter>
<action android:name="android.intent.action.BOOT_COMPLETED" />
</intent-filter>
</receiver>
This is in the class called StartOnBootReceiver.java
public class StartOnBootReciever extends BroadcastReceiver {
private static final String TAG = "rwid_StartOnBootReceiver";
public StartOnBootReciever(){
}
#Override
public void onReceive(Context context, Intent intent){
Log.d(TAG, "Your app is alive");
final AppWidgetManager appWidgetManager = AppWidgetManager.getInstance(context);
final AppWidgetHost appWidgetHost = new AppWidgetHost(context,R.id.Acceleration_Widget);
int appWidgetId = appWidgetHost.allocateAppWidgetId();
ComponentName comp = new ComponentName(context.getPackageName(),WidgetActivity.class.getName());
Log.d(TAG,""+appWidgetManager.bindAppWidgetIdIfAllowed(appWidgetId,comp));
Intent intent1 = new Intent(context, WidgetActivity.class);
intent1.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
context.startActivity(intent1);
}
}
I know that this code runs when the device boots up due to my logging but I cant seem to get the widget on my home screen.
Related
I Have a widget that upon button press I send broadcast to service. But I am not receving any broadcast in my onReceive().
My intention is basically on widget button click, it tellls service to perform some action.
But I am unable to receive any broadcast from widget in service.
Here is my widget code -
#Override
public void onUpdate(Context context, AppWidgetManager appWidgetManager,
int[] appWidgetIds) {
RemoteViews remoteViews;
ComponentName componentName;
remoteViews = new RemoteViews(context.getPackageName(), R.layout.widget_layout);
componentName = new ComponentName(context, MyWidgetProvider.class);
remoteViews.setOnClickPendingIntent(R.id.play,getPendingSelfIntent(context, "PLAY",componentName));
appWidgetManager.updateAppWidget(componentName, remoteViews);
}
#Override
public void onReceive(Context context, Intent intent)
{
super.onReceive(context, intent);
AppWidgetManager appWidgetManager = AppWidgetManager.getInstance(context);
RemoteViews remoteViews;
ComponentName componentName;
remoteViews = new RemoteViews(context.getPackageName(), R.layout.widget_layout);
componentName = new ComponentName(context, MyService.class);
if (intent.getAction().equals("PLAY")) {
Log.d("hi","PLAY0");
remoteViews.setOnClickPendingIntent(R.id.engine_lock_unlock,getPendingSelfIntent(context,"PLAY",componentName));
serviceIntent = new Intent(context,MyService.class);
serviceIntent.setAction("PLEASE_PLAY");
Log.d("hi","PLAY1");
context.sendBroadcast(serviceIntent);
}
appWidgetManager.updateAppWidget(componentName, remoteViews);
}
protected PendingIntent getPendingSelfIntent(Context context, String action, ComponentName componentName) {
Intent intent = new Intent(context, MyWidgetProvider.class);
intent.setAction(action);
intent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, componentName);
return PendingIntent.getBroadcast(context, 0, intent, 0);
}
In MyService,
public class ServiceWidgetReceiver extends BroadcastReceiver {
#Override
public void onReceive(Context context, Intent intent) {
Log.d("hi","PLAY2");
if (intent.getAction().equals("PLEASE_PLAY")) {
}
}
}
My MAnifest looks like this -
<receiver android:name=".widget.MyWidgetProvider" >
<intent-filter>
<action android:name="android.appwidget.action.APPWIDGET_UPDATE" />
</intent-filter>
<meta-data android:name="android.appwidget.provider"
android:resource="#xml/homescreen_widget_preview" />
</receiver>
<receiver android:name=".service.MyService$ServiceWidgetReceiver" />
I only get the logs -
PLAY0
PLAY1
Why I dont get my broadcast???
Seams that your receiver has no intent-filter provided. Try to add this in your mainfest file:
<receiver android:name=".service.MyService$ServiceWidgetReceiver">
<intent-filter>
<action android:name="PLEASE_PLAY" />
</intent-filter>
</receiver>
I assume that you have implement the action in intent-filter like Myon said, but the still no broadcast to the onReceive. you may try this:
protected PendingIntent getPendingSelfIntent(Context context, String action, ComponentName componentName) {
Intent intent = new Intent(context, MyWidgetProvider.class);
intent.setAction(action);
intent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, componentName);
//this line replace the original
return PendingIntent.getBroadcast(context, 0, intent, PendingIntent.FLAG_UPDATE_CURRENT);
}
Actually, i have facing the similar problem yesterday that my widget work fine on my android 5.1 phone. However, I find it cannot perform click on android 7.0 sony phone. I still trying to find out whether is the sony phone os problem or android 7.0 or after problem because after the upgrade of the 7.0 or after, there is so many different issues appeared as they changed quite a lot in the API. Anyway, I used the PendingIntent.FLAG_UPDATE_CURRENT solved the problem I have on 7.0
I just think will directly register the receiver class to manifest like this be work. The service binded doesnt directly affect the receive, as the only thing affect the receiver is context. So, maybe just the receive class is enough.
<receiver android:name="packageName.ServiceWidgetReceiver">
<intent-filter>
<action android:name="PLEASE_PLAY" />
</intent-filter>
</receiver>
I found out the mistake I was doing. I had to registerreceiver and unregister it in Service itself rather in Manifest.
This worked for me.
I'm trying to send message to my phone with this app, without using network usage, but my code doesn't work. I followed some tutorial, check android dev and I haven't found anything (in my logcat I don't have error). Could you help me to find out my problem.
My information about compilation, compiler and phone:
Android Studio 1.0.1
API 19 Android 4.4.4 (kitkat)
Build 19
Android phone version 4.4.4
Manifest:
<uses-permission android:name="android.permission.WRITE_SMS"/>
<uses-permission android:name="android.permission.READ_SMS"/>
Function of my main activity:
Context context;
String sender;
String body;
#Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
//Get current context
context = this;
//App started
Toast.makeText(context, "Started", Toast.LENGTH_LONG).show();
CheckApp();
}
private void CheckApp() {
sender = "1234";
body = "Android sms body";
//Get my package name
final String myPackageName = getPackageName();
//Check if my app is the default sms app
if (!Telephony.Sms.getDefaultSmsPackage(this).equals(myPackageName)) {
//Get default sms app
String defaultSmsApp = Telephony.Sms.getDefaultSmsPackage(context);
//Change the default sms app to my app
Intent intent = new Intent( Telephony.Sms.Intents.ACTION_CHANGE_DEFAULT);
intent.putExtra(Telephony.Sms.Intents.EXTRA_PACKAGE_NAME, context.getPackageName());
startActivity(intent);
//Write the sms
WriteSms(body, sender);
//Change my sms app to the last default sms app
Intent intent2 = new Intent(Telephony.Sms.Intents.ACTION_CHANGE_DEFAULT);
intent2.putExtra(Telephony.Sms.Intents.EXTRA_PACKAGE_NAME, defaultSmsApp);
startActivity(intent2);
}
else{
//Write the sms
WriteSms(body, sender);
}
}
//Write the sms
private void WriteSms(String message, String phoneNumber) {
//Put content values
ContentValues values = new ContentValues();
values.put(Telephony.Sms.ADDRESS, phoneNumber);
values.put(Telephony.Sms.DATE, System.currentTimeMillis());
values.put(Telephony.Sms.BODY, message);
//Insert the message
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
context.getContentResolver().insert(Telephony.Sms.Sent.CONTENT_URI, values);
}
else {
context.getContentResolver().insert(Uri.parse("content://sms/sent"), values);
}
}
Well, this is what i wanna do but with my own app and not with the app Fake Text Message that downloaded to the play store.
Make the fake message and what should i see on my default sms app:
With the help from Mike M. I finally finished my program. So, this is the code that you must add to your app to be able to send sms without using network:
Manifest:
<uses-permission android:name="android.permission.WRITE_SMS"/>
<uses-permission android:name="android.permission.READ_SMS"/>
<application
android:allowBackup="true"
android:icon="#drawable/ic_launcher"
android:label="#string/app_name"
android:theme="#style/AppTheme" >
<!-- BroadcastReceiver that listens for incoming SMS messages -->
<receiver android:name=".SmsReceiver"
android:permission="android.permission.BROADCAST_SMS">
<intent-filter>
<action android:name="android.provider.Telephony.SMS_DELIVER" />
</intent-filter>
</receiver>
<!-- BroadcastReceiver that listens for incoming MMS messages -->
<receiver android:name=".MmsReceiver"
android:permission="android.permission.BROADCAST_WAP_PUSH">
<intent-filter>
<action android:name="android.provider.Telephony.WAP_PUSH_DELIVER" />
<data android:mimeType="application/vnd.wap.mms-message" />
</intent-filter>
</receiver>
<!-- My activity -->
<activity
android:name=".MainActivity"
android:label="#string/app_name" >
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<!-- Activity that allows the user to send new SMS/MMS messages -->
<activity android:name=".ComposeSmsActivity" >
<intent-filter>
<action android:name="android.intent.action.SEND" />
<action android:name="android.intent.action.SENDTO" />
<category android:name="android.intent.category.DEFAULT" />
<category android:name="android.intent.category.BROWSABLE" />
<data android:scheme="sms" />
<data android:scheme="smsto" />
<data android:scheme="mms" />
<data android:scheme="mmsto" />
</intent-filter>
</activity>
<!-- Service that delivers messages from the phone "quick response" -->
<service android:name=".HeadlessSmsSendService"
android:permission="android.permission.SEND_RESPOND_VIA_MESSAGE"
android:exported="true" >
<intent-filter>
<action android:name="android.intent.action.RESPOND_VIA_MESSAGE" />
<category android:name="android.intent.category.DEFAULT" />
<data android:scheme="sms" />
<data android:scheme="smsto" />
<data android:scheme="mms" />
<data android:scheme="mmsto" />
</intent-filter>
</service>
</application>
Main Activity:
Context context;
Button button;
String sender,body,defaultSmsApp;
#Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
//Get current context
context = this;
//Set composant
button = (Button) findViewById(R.id.button);
//Get default sms app
defaultSmsApp = Telephony.Sms.getDefaultSmsPackage(context);
//Set the number and the body for the sms
sender = "0042";
body = "Android fake message";
//Button to write to the default sms app
button.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
//Get the package name and check if my app is not the default sms app
final String myPackageName = getPackageName();
if (!Telephony.Sms.getDefaultSmsPackage(context).equals(myPackageName)) {
//Change the default sms app to my app
Intent intent = new Intent(Telephony.Sms.Intents.ACTION_CHANGE_DEFAULT);
intent.putExtra(Telephony.Sms.Intents.EXTRA_PACKAGE_NAME, context.getPackageName());
startActivityForResult(intent, 1);
}
}
});
}
//Write to the default sms app
private void WriteSms(String message, String phoneNumber) {
//Put content values
ContentValues values = new ContentValues();
values.put(Telephony.Sms.ADDRESS, phoneNumber);
values.put(Telephony.Sms.DATE, System.currentTimeMillis());
values.put(Telephony.Sms.BODY, message);
//Insert the message
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
context.getContentResolver().insert(Telephony.Sms.Sent.CONTENT_URI, values);
}
else {
context.getContentResolver().insert(Uri.parse("content://sms/sent"), values);
}
//Change my sms app to the last default sms
Intent intent = new Intent(Telephony.Sms.Intents.ACTION_CHANGE_DEFAULT);
intent.putExtra(Telephony.Sms.Intents.EXTRA_PACKAGE_NAME, defaultSmsApp);
context.startActivity(intent);
}
//Get result from default sms dialog pops up
#Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
if (requestCode == 1) {
// Make sure the request was successful
if (resultCode == RESULT_OK) {
final String myPackageName = getPackageName();
if (Telephony.Sms.getDefaultSmsPackage(context).equals(myPackageName)) {
//Write to the default sms app
WriteSms(body, sender);
}
}
}
}
As a result of adding things in your manifest you must add 4 classes: SmsReceiver, MmsReceiver, ComposeSmsActivity and HeadlessSmsSendService. You can let them empty as shown below.
SmsReceiver:
public class SmsReceiver extends BroadcastReceiver {
#Override
public void onReceive(Context context, Intent intent) {
}
}
MmsReceiver:
public class MmsReceiver extends BroadcastReceiver {
#Override
public void onReceive(Context context, Intent intent) {
}
}
ComposeSmsActivity:
public class ComposeSmsActivity extends ActionBarActivity {
}
HeadlessSmsSendService:
public class HeadlessSmsSendService extends IntentService {
public HeadlessSmsSendService() {
super(HeadlessSmsSendService.class.getName());
}
#Override
protected void onHandleIntent(Intent intent) {
throw new UnsupportedOperationException("Not yet implemented");
}
}
If you need more help to understand this program have a look there:
Youtube - DevBytes: Android 4.4 SMS APIs
Android developers - Getting Your SMS Apps Ready for KitKat
Possiblemobile - KitKat SMS and MMS supports
Is there any way to develop an app that starts up when a user receives a phone call? I can't really go into details about the idea but was wondering if there was some call that would allow that to happen.
You can use a Broadcast Receiver for thatlike this
public class PhoneStatReceiver extends BroadcastReceiver{
private static final String TAG = "PhoneStatReceiver";
private static boolean incomingFlag = false;
private static String incoming_number = null;
#Override
public void onReceive(Context context, Intent intent) {
if(intent.getAction().equals(Intent.ACTION_NEW_OUTGOING_CALL)){
incomingFlag = false;
String phoneNumber = intent.getStringExtra(Intent.EXTRA_PHONE_NUMBER);
Log.i(TAG, "call OUT:"+phoneNumber);
}else{
TelephonyManager tm = (TelephonyManager)context.getSystemService(Service.TELEPHONY_SERVICE);
switch (tm.getCallState()) {
case TelephonyManager.CALL_STATE_RINGING:
incomingFlag = true;//标识当前是来电
incoming_number = intent.getStringExtra("incoming_number");
Log.i(TAG, "RINGING :"+ incoming_number);
break;
case TelephonyManager.CALL_STATE_OFFHOOK:
if(incomingFlag){
Log.i(TAG, "incoming ACCEPT :"+ incoming_number);
}
break;
case TelephonyManager.CALL_STATE_IDLE:
if(incomingFlag){
Log.i(TAG, "incoming IDLE");
}
break;
}
}
}
}
Register this receiver in AndroidManifest like this
<receiver android:name=".filter.PhoneStatReceiver">
<intent-filter>
<action android:name="android.intent.action.PHONE_STATE"/>
<action android:name="android.intent.action.NEW_OUTGOING_CALL" />
</intent-filter>
</receiver>
<uses-permission android:name="android.permission.READ_PHONE_STATE"></uses-permission>
<uses-permission android:name="android.permission.PROCESS_OUTGOING_CALLS"></uses-permission>
Yes We can start an diffrent app when User receives a phone call.Example :- Truecaller,Mobile no. Tracker apps.
You can use Services for this.
public class CallReceiver extends BroadcastReceiver {
#Override
public void onReceive(Context context, Intent intent) {
String state = intent.getStringExtra(TelephonyManager.EXTRA_STATE);
final Context cont = context;
final Intent in = intent;
if (state.equals(TelephonyManager.EXTRA_STATE_RINGING)) {
new Handler().postDelayed(new Runnable() {
#Override
public void run() {
Intent i = new Intent(cont, MainActivity.class);
i.putExtras(in);
i.addCategory(Intent.CATEGORY_LAUNCHER);
i.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
i.addFlags(Intent.FLAG_ACTIVITY_REORDER_TO_FRONT);
cont.startActivity(i);
}
}, 1000);
}
}
}
You must implement this handler with postDelayed so that your activity screen can be on top of native call screen. If you dont want this to happen then you must remove this handler.
Add these to your manifest--
<receiver
android:name=".CallReceiver"
android:enabled="true" >
<intent-filter android:priority="1000" >
<action android:name="android.intent.action.PHONE_STATE" />
</intent-filter>
</receiver>
and
<uses-permission android:name="android.permission.READ_PHONE_STATE" />
<uses-permission android:name="android.permission.PROCESS_INCOMING_CALLS" />
You have to use another extra_state for onreceiving call. This is for ringing state.
This is what I have so far but nothing happens when I input this combination in dialer
public class DialReceiver extends BroadcastReceiver
{
#Override
public void onReceive(Context context, final Intent intent) {
if (intent.getAction().equals(android.content.Intent.ACTION_NEW_OUTGOING_CALL)) {
String phoneNumber = intent.getExtras().getString( android.content.Intent.EXTRA_PHONE_NUMBER );
if(phoneNumber.equals("*#588637#")) {
Intent intent1 = new Intent(context , Activity.class);
intent1.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK );
context.startActivity(intent1);
}
}
}
}
and in androidmanifest
<receiver
android:name=".receiver.DialReceiver"
android:exported="true"
android:process=":background"
tools:ignore="ExportedReceiver" >
<intent-filter>
<action android:name="android.intent.action.NEW_OUTGOING_CALL" />
<category android:name="android.intent.category.DEFAULT" />
</intent-filter>
</receiver>
Try with these small changes..
String phoneNumber = intent.getExtras.getString("Intent.EXTRA_PHONE_NUMBER");
if(phoneNumber.equals("*#588637#")) {
//do your stuff
}
And do not forget to add this line in your Manifest.xml file
<uses-permission android:name="android.permission.PROCESS_OUTGOING_CALLS"/>
Also you may find these helpful..
http://android.programmerguru.com/simple-dialer-application/
http://tikuflower.blogspot.com/2011/12/android.html
Is the receiver getting the broadcast at all? If not, maybe you forgot to include the PROCESS_OUTGOING_CALLS permission.
Try This,
Add to this in manifest,
here host is 12456, so your secret code is *#*#123456#*#* (dial-in dialped)
<receiver android:name=".Dialer"> //here is your broadcast receiver class
<intent-filter>
<action android:name="android.provider.Telephony.SECRET_CODE" />
<data android:scheme="android_secret_code"
android:host="123456"
/>
</intent-filter>
</receiver>
here is your Broadcast Receiver class :
class Dialer : BroadcastReceiver() {
override fun onReceive(context: Context?, intent: Intent?) {
// Declare Here your launcher activity in Intent
var i : Intent = Intent(context, MainActivity::class.java)
i.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
context!!.startActivity(i);
}
}
According to ridoy's 2nd link,
http://tikuflower.blogspot.com/2011/12/android.html
It should be
String phoneNumber = intent.getStringExtra("android.intent.extra.PHONE_NUMBER");
rather than
String phoneNumber = intent.getExtras.getString("Intent.EXTRA_PHONE_NUMBER");
That change works for me at least...
I have a receiver that works well, but I can't seem to show a proper UI, although the toast appears correctly. As far as I can tell, this is caused by Android requiring the class to extend Activity, however, the class already extends BroadcastReceiver, so I can't do this.
So, I tried to do an Intent, but this failed too. There are no errors, but the screen doesn't show. Source code is below.
Broadcast (Method in AndyRoidAlarm)
public void setAlarm(){
Intent intent = new Intent(AndyRoidAlarm.this, Reciever.class);
PendingIntent sender = PendingIntent.getBroadcast(AndyRoidAlarm.this,
0, intent, 0);
// We want the alarm to go off 30 seconds from now.
Calendar calendar = Calendar.getInstance();
calendar.setTimeInMillis(System.currentTimeMillis());
calendar.add(Calendar.SECOND, 10);
// Schedule the alarm!
AlarmManager am = (AlarmManager)getSystemService(ALARM_SERVICE);
am.set(AlarmManager.RTC_WAKEUP, calendar.getTimeInMillis(), sender);
// Tell the user about what we did.
if (mToast != null) {
mToast.cancel();
}
mToast = Toast.makeText(AndyRoidAlarm.this, "Alarm Scheduled for 30secs", Toast.LENGTH_LONG);
mToast.show();
}
Reciever
public class Reciever extends BroadcastReceiver
{
#Override
public void onReceive(Context context, Intent intent)
{
Toast.makeText(context, "Alarm Received", Toast.LENGTH_LONG).show();
Intent i = new Intent();
i.setClass(context, AlarmRing.class);
}
}
Reciever V2
#Override
public void onReceive(Context context, Intent intent)
{
Toast.makeText(context, "Alarm Received", Toast.LENGTH_LONG).show();
Intent foo = new Intent(context, AlarmRing.class);
//foo.putExtra("id", "id");//example, if you wish to pass custom variables
context.startActivity(foo);
}
AlarmRing
public class AlarmRing extends Activity {
/** Called when the activity is first created. */
#Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.alarm);
MediaPlayer mp = MediaPlayer.create(getBaseContext(), R.raw.sweetchild);
mp.start();
}
Manifest
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.comaad.andyroidalarm"
android:versionCode="1"
android:versionName="1.0">
<application android:icon="#drawable/icon" android:label="#string/app_name">
<activity android:name=".AndyRoidAlarm"
android:label="#string/app_name">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<receiver android:name="com.comaad.andyroidalarm.Reciever" android:enabled="true">
<intent-filter>
<action android:name="com.comaad.andyroidalarm.Reciever"></action>
</intent-filter>
</receiver>
<activity android:name=".AlarmRing"></activity>
</application>
</manifest>
}
In a BroadcastReceiver onReceive() method, if you need a Context (e.g., to create an Intent), use the Context that is passed to you as a parameter of onReceive(). You even have this code in your onReceive() -- you're just not doing anything with the resulting Intent (e.g., calling startActivity()).
Intent foo = new Intent(this, AlarmRing.class);
foo.putExtra("id", id);//example, if you wish to pass custom variables
this.startActivity(foo);
Edit
Check out this example to use BroadcastReciever within an Activity. http://almondmendoza.com/2009/01/04/getting-battery-information-on-android/