通过点击按钮获取为借来电的信息,并以对话框形式显示未接来电的号码。虚拟机中测试通过,但在真机上运行时会直接强制退出。
代码:
@Override
public void onClick(View v) {
final String[] projection = null;
final String selection = null;
final String[] selectionArgs = null;
final String sortOrder = android.provider.CallLog.Calls.DATE + " DESC";
Cursor cursor = null;
try {
cursor = getContentResolver().query(
Uri.parse("content://call_log/calls"), projection,
selection, selectionArgs, sortOrder);
while (cursor.moveToNext()) {
String callLogID = cursor.getString(cursor
.getColumnIndex(android.provider.CallLog.Calls._ID));
String callNumber = cursor.getString(cursor
.getColumnIndex(android.provider.CallLog.Calls.NUMBER));
String callDate = cursor.getString(cursor
.getColumnIndex(android.provider.CallLog.Calls.DATE));
String callType = cursor.getString(cursor
.getColumnIndex(android.provider.CallLog.Calls.TYPE));
String isCallNew = cursor.getString(cursor
.getColumnIndex(android.provider.CallLog.Calls.NEW));
if (Integer.parseInt(callType) == (CallLog.Calls.MISSED_TYPE)
&& Integer.parseInt(isCallNew) > 0) {
Toast.makeText(getApplication(),
"Missed Call Found: " + callNumber,
Toast.LENGTH_SHORT).show();
}
}
} catch (Exception e) {
e.printStackTrace();
}
finally {
cursor.close();
}
}
权限列表中添加的权限为: