我正在制作一个项目，其中我使用透明屏幕，并在来电屏幕上显示按钮。如果手机处于解锁但手机处于锁定状态并且通话电话比首先我必须解锁手机，它工作正常
我使用的代码是......
public class Recevo extends BroadcastReceiver {
@Override
public void onReceive(Context context, Intent intent) {
// TODO Auto-generated method stub
TelephonyManager tm = (TelephonyManager)context.getSystemService(Service.TELEPHONY_SERVICE);
Intent i= new Intent(context,Servo.class);
int state = tm.getCallState();
if(state==TelephonyManager.CALL_STATE_RINGING){
String number=intent.getStringExtra("incoming_number");
Log.i("State", "Call is Ringing");
context.startService(i);
}else if (state==TelephonyManager.CALL_STATE_IDLE) {
Log.i("State", "Idle State");
Toast.makeText(context, "Call is Idle", Toast.LENGTH_SHORT).show();
context.stopService(i);
} else if (state==TelephonyManager.CALL_STATE_OFFHOOK) {
//Log.i("State", "Call is Ringing");
//Toast.makeText(context, "Phone is Ringing", Toast.LENGTH_SHORT).show();
}
}
}
public class Servo extends Service{
@Override
public IBinder onBind(Intent arg0) {
// TODO Auto-generated method stub
return null;
}
@Override
public void onCreate() {
// TODO Auto-generated method stub
super.onCreate();
//Toast.makeText(getApplicationContext(), "in servo", Toast.LENGTH_SHORT).show();
Thread t=new Thread(new Times());
t.start();
}
public class Times extends Thread{
@Override
public void run() {
// TODO Auto-generated method stub
try {
Thread.sleep(5000);
Intent i = new Intent(Servo.this,Blank.class);
i.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
startActivity(i);
} catch (InterruptedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
}
public class Blank extends Activity implements OnClickListener{
Button b;
@Override
protected void onCreate(Bundle savedInstanceState) {
// TODO Auto-generated method stub
super.onCreate(savedInstanceState);
setContentView(R.layout.blank);
b=(Button)findViewById(R.id.button1);
b.setOnClickListener(this);
}
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
Toast.makeText(getApplicationContext(), "Button Clicked", Toast.LENGTH_SHORT).show();
AudioManager audio1 = (AudioManager) getSystemService(Context.AUDIO_SERVICE);
//audio1.getStreamMaxVolume(AudioManager.STREAM_MUSIC);
audio1.setStreamMute(AudioManager.STREAM_MUSIC, true);
finish();
}
更新1
public class CallerService extends Service implements
TextToSpeech.OnInitListener {
String number;
boolean a;
private TextToSpeech tts;
int callState;
TelephonyManager mgr;
@Override
public IBinder onBind(Intent arg0) {
// TODO Auto-generated method stub
return null;
}
@Override
public void onCreate() {
// TODO Auto-generated method stub
super.onCreate();
tts = new TextToSpeech(this, this);
mgr = (TelephonyManager) getSystemService(Context.TELEPHONY_SERVICE);
AudioManager audio1 = (AudioManager) getSystemService(Context.AUDIO_SERVICE);
int maxVolume = audio1.getStreamMaxVolume(AudioManager.STREAM_MUSIC);
float percent = 2.0f;
int seventyVolume = (int) (maxVolume*percent);
audio1.setStreamVolume(AudioManager.STREAM_MUSIC, seventyVolume, 0);
Thread t=new Thread(new Times());
t.start();
}
public class Times extends Thread{
@Override
public void run() {
// TODO Auto-generated method stub
try {
Thread.sleep(5000);
Intent i = new Intent(CallerService.this,Blank.class);
i.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
startActivity(i);
} catch (InterruptedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
@Override
@Deprecated
public void onStart(Intent intent, int startId) {
// TODO Auto-generated method stub
super.onStart(intent, startId);
number = intent.getStringExtra("phnumber");
//fetchContacts();
}
@Override
public void onInit(int status) {
// TODO Auto-generated method stub
if (status != TextToSpeech.ERROR)
{
tts.setLanguage(Locale.ENGLISH);
fetchContacts();
}
}
@Override
public void onDestroy() {
// TODO Auto-generated method stub
if (tts != null) {
tts.stop();
tts.shutdown();
}
super.onDestroy();
}
public void fetchContacts() {
/* tts.speak("Hello everyone", TextToSpeech.QUEUE_FLUSH,
null);*/
String phoneNumber = null;
Uri CONTENT_URI = ContactsContract.Contacts.CONTENT_URI;
String _ID = ContactsContract.Contacts._ID;
String DISPLAY_NAME = ContactsContract.Contacts.DISPLAY_NAME;
String HAS_PHONE_NUMBER = ContactsContract.Contacts.HAS_PHONE_NUMBER;
Uri PhoneCONTENT_URI = ContactsContract.CommonDataKinds.Phone.CONTENT_URI;
String Phone_CONTACT_ID = ContactsContract.CommonDataKinds.Phone.CONTACT_ID;
String NUMBER = ContactsContract.CommonDataKinds.Phone.NUMBER;
ContentResolver contentResolver = getContentResolver();
Cursor cursor = contentResolver.query(CONTENT_URI, null, null, null,
null);
if (cursor.getCount() > 0) {
while (cursor.moveToNext()) {
String contact_id = cursor
.getString(cursor.getColumnIndex(_ID));
int hasPhoneNumber = Integer.parseInt(cursor.getString(cursor
.getColumnIndex(HAS_PHONE_NUMBER)));
if (hasPhoneNumber > 0) {
Cursor phoneCursor = contentResolver.query(
PhoneCONTENT_URI, null, Phone_CONTACT_ID + " = ?",
new String[] { contact_id }, null);
while (phoneCursor.moveToNext()) {
phoneNumber = phoneCursor.getString(phoneCursor
.getColumnIndex(NUMBER));
a = PhoneNumberUtils.compare(number,
phoneNumber);
callState= mgr.getCallState();
/*if(!a){
if(callState==TelephonyManager.CALL_STATE_RINGING) {
for (int i = 0; i < 15; i++) {
callState = mgr.getCallState();
if (callState==TelephonyManager.CALL_STATE_IDLE){
tts.stop();
tts.shutdown();
break;
}else if (callState==TelephonyManager.CALL_STATE_OFFHOOK){
tts.stop();
tts.shutdown();
break;
}
tts.speak("Unknown Calling", TextToSpeech.QUEUE_FLUSH,
null);
try {
Thread.sleep(5000);
} catch (InterruptedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
}
else */if (a) {
String contname = phoneCursor.getString(phoneCursor
.getColumnIndex(DISPLAY_NAME));
if (!contname.equals(null)) {
Toast.makeText(getApplicationContext(),
contname, Toast.LENGTH_SHORT).show();
if(callState==TelephonyManager.CALL_STATE_RINGING) {
for (int i = 0; i < 15; i++) {
callState = mgr.getCallState();
if (callState==TelephonyManager.CALL_STATE_IDLE){
tts.stop();
tts.shutdown();
break;
}else if (callState==TelephonyManager.CALL_STATE_OFFHOOK){
tts.stop();
tts.shutdown();
break;
}
tts.speak(contname + " Calling", TextToSpeech.QUEUE_FLUSH,
null);
try {
Thread.sleep(5000);
} catch (InterruptedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
}
}
}
phoneCursor.close();
}
}
}
if(!a){
if(callState==TelephonyManager.CALL_STATE_RINGING) {
for (int i = 0; i < 15; i++) {
callState = mgr.getCallState();
if (callState==TelephonyManager.CALL_STATE_IDLE){
tts.stop();
tts.shutdown();
break;
}else if (callState==TelephonyManager.CALL_STATE_OFFHOOK){
tts.stop();
tts.shutdown();
break;
}
tts.speak("Unknown Calling", TextToSpeech.QUEUE_FLUSH,
null);
try {
Thread.sleep(5000);
} catch (InterruptedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
}
}
}
public class Blank extends Activity implements OnClickListener{
Button b;
Window window;
@Override
protected void onCreate(Bundle savedInstanceState) {
// TODO Auto-generated method stub
super.onCreate(savedInstanceState);
setContentView(R.layout.blank);
b=(Button)findViewById(R.id.button1);
b.setOnClickListener(this);
window = this.getWindow();
// use Window.addFlags() to add the flags in WindowManager.LayoutParams
window.addFlags(LayoutParams.FLAG_DISMISS_KEYGUARD);
window.addFlags(LayoutParams.FLAG_SHOW_WHEN_LOCKED);
window.addFlags(LayoutParams.FLAG_TURN_SCREEN_ON);
}
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
Toast.makeText(getApplicationContext(), "Button Clicked", Toast.LENGTH_SHORT).show();
AudioManager audio1 = (AudioManager) getSystemService(Context.AUDIO_SERVICE);
//audio1.getStreamMaxVolume(AudioManager.STREAM_MUSIC);
audio1.setStreamMute(AudioManager.STREAM_MUSIC, true);
finish();
}
}
答案 0 :(得分：1)
请尝试以下操作：
private Window window;
@Override
protected void onResume() {
super.onResume();
// get the window of your activity
window = this.getWindow();
// use Window.addFlags() to add the flags in WindowManager.LayoutParams
window.addFlags(LayoutParams.FLAG_DISMISS_KEYGUARD);
window.addFlags(LayoutParams.FLAG_SHOW_WHEN_LOCKED);
window.addFlags(LayoutParams.FLAG_TURN_SCREEN_ON);
}
注意：您也可以将此代码放在onCreate()中，但我建议将其放入onResume().
FLAG_DISMISS_KEYGUARD - 设置窗口时，只有当它不是安全的锁定键盘时才会解除键盘锁。
FLAG_SHOW_WHEN_LOCKED - 屏幕锁定时显示窗口的特殊标志
FLAG_TURN_SCREEN_ON - 当设置为正在添加或显示窗口时，一旦显示窗口，系统将激活电源管理器的用户活动（就好像用户已唤醒设备一样）屏幕上。