我真的很麻烦那种情况。当有电话打进来时,我可以保留打给我的电话和电话号码。在此传入呼叫之后,尽管我的应用程序已关闭,但我想显示一个“警报对话框”。
我正在使用API> 23的Android模拟器。
这是我的mainactivity.java
public class MainActivity extends AppCompatActivity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
if (ContextCompat.checkSelfPermission(MainActivity.this,
Manifest.permission.READ_PHONE_STATE) != PackageManager.PERMISSION_GRANTED) {
if (ActivityCompat.shouldShowRequestPermissionRationale(MainActivity.this,
Manifest.permission.READ_PHONE_STATE)) {
ActivityCompat.requestPermissions(MainActivity.this,
new String[]{Manifest.permission.READ_PHONE_STATE}, 1);
} else {
ActivityCompat.requestPermissions(MainActivity.this,
new String[]{Manifest.permission.READ_PHONE_STATE}, 1);
}
} else {
//do nothing
}
if (ContextCompat.checkSelfPermission(MainActivity.this,
Manifest.permission.READ_CALL_LOG) != PackageManager.PERMISSION_GRANTED) {
if (ActivityCompat.shouldShowRequestPermissionRationale(MainActivity.this,
Manifest.permission.READ_CALL_LOG)) {
ActivityCompat.requestPermissions(MainActivity.this,
new String[]{Manifest.permission.READ_CALL_LOG}, 2);
} else {
ActivityCompat.requestPermissions(MainActivity.this,
new String[]{Manifest.permission.READ_CALL_LOG}, 2);
}
} else {
//do nothing
}
}
@Override
public void onRequestPermissionsResult(int requestCode, String[] permissions, @NonNull int[] grantResults) {
switch (requestCode) {
case 1: {
if (grantResults.length > 0 && grantResults[0] == PackageManager.PERMISSION_GRANTED) {
if (ContextCompat.checkSelfPermission(MainActivity.this,
Manifest.permission.READ_PHONE_STATE) == PackageManager.PERMISSION_GRANTED) {
Toast.makeText(this, "Permission granted1", Toast.LENGTH_SHORT).show();
}
} else {
Toast.makeText(this, "No permission granted1", Toast.LENGTH_SHORT).show();
}
return;
}
case 2: {
if (grantResults.length > 0 && grantResults[0] == PackageManager.PERMISSION_GRANTED) {
if (ContextCompat.checkSelfPermission(MainActivity.this,
Manifest.permission.READ_CALL_LOG) == PackageManager.PERMISSION_GRANTED) {
Toast.makeText(this, "Permission granted2", Toast.LENGTH_SHORT).show();
}
} else {
Toast.makeText(this, "No permission granted2", Toast.LENGTH_SHORT).show();
}
return;
}
}
}
我的androidmanifest.xml
<uses-permission android:name="android.permission.READ_PHONE_STATE"/>
<uses-permission android:name="android.permission.READ_PHONE_NUMBERS"/>
<uses-permission android:name="android.permission.READ_CALL_LOG"/>
<application
...
<receiver android:name="InterceptCall">
<intent-filter>
<action android:name="android.intent.action.PHONE_STATE"/>
</intent-filter>
</receiver>
...
和我的InterceptCall.java
public class InterceptCall extends BroadcastReceiver {
@Override
public void onReceive(Context context, Intent intent) {
try{
String state = intent.getStringExtra(TelephonyManager.EXTRA_STATE);
String pNum = intent.getStringExtra(TelephonyManager.EXTRA_INCOMING_NUMBER);
if(state.equals(TelephonyManager.EXTRA_STATE_RINGING)){
Toast.makeText(context,"Ringing State. Number is - "+pNum,Toast.LENGTH_SHORT).show();
}
if(state.equals(TelephonyManager.EXTRA_STATE_OFFHOOK)){
Toast.makeText(context,"OFFHOOK// ",Toast.LENGTH_SHORT).show();
}
if(state.equals(TelephonyManager.EXTRA_STATE_IDLE)){
Toast.makeText(context,"IDLE.Call End",Toast.LENGTH_SHORT).show();
}
}
catch (Exception e){
e.printStackTrace();
}
}
}
我真的不知道该怎么做...或如何做。我只想在呼叫结束后显示带有是/否按钮的警报对话框。
AlertDialog dialog = builder.create();
dialog.getWindow().setType(WindowManager.LayoutParams.TYPE_SYSTEM_ALERT);
dialog.show();
并在清单中设置权限:
<uses-permission android:name="android.permission.SYSTEM_ALERT_WINDOW" />