此应用使用AndroidAnnotations。
我没有收到任何错误。我尝试在onCreate中实现loadVariable（），但是框架文档不可能，因为onCreate不能有视图。那么问题是如何在从SharedPreference启动应用程序后立即显示数据？另外，当我选中复选框时，textView没有显示复选框的数字。
我现在应该做什么？
@EActivity(R.layout.activity_main2)
public class Main2Activity extends AppCompatActivity implements CompoundButton.OnCheckedChangeListener {
private int numberOfTrue;
@ViewById(R.id.tv1)
TextView tv1;
@ViewById(R.id.cb1)
CheckBox cb1;
@ViewById(R.id.cb2)
CheckBox cb2;
@ViewById(R.id.cb3)
CheckBox cb3;
@ViewById(R.id.cb4)
CheckBox cb4;
@AfterViews
void update() {
cb1.setChecked(getFromSP("cb1"));
cb2.setChecked(getFromSP("cb2"));
cb3.setChecked(getFromSP("cb3"));
cb4.setChecked(getFromSP("cb4"));
}
@Click
void b2() {
Intent output = new Intent();
output.putExtra("number", numberOfTrue);
setResult(Activity.RESULT_OK, output);
finish();
}
@AfterViews
void update2() {
loadVariable();
}
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
}
@Override
public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
switch(buttonView.getId()){
case R.id.cb1:
saveInSp("cb1",isChecked);
if (isChecked == true){
numberOfTrue++;
}
else
{
numberOfTrue--;
}
break;
case R.id.cb2:
saveInSp("cb2",isChecked);
if (isChecked == true){
numberOfTrue++;
}
else
{
numberOfTrue--;
}
break;
case R.id.cb3:
saveInSp("cb3",isChecked);
if (isChecked == true){
numberOfTrue++;
}
else
{
numberOfTrue--;
}
break;
case R.id.cb4:
saveInSp("cb4",isChecked);
if (isChecked == true){
numberOfTrue++;
}
else
{
numberOfTrue--;
}
break;
}
saveVariable(numberOfTrue);
loadVariable();
}
private boolean getFromSP(String key){
SharedPreferences preferences = getApplicationContext().getSharedPreferences("PROJECT_NAME", android.content.Context.MODE_PRIVATE);
return preferences.getBoolean(key, false);
}
private void saveInSp(String key,boolean value) {
SharedPreferences preferences = getApplicationContext().getSharedPreferences("PROJECT_NAME", android.content.Context.MODE_PRIVATE);
SharedPreferences.Editor editor = preferences.edit();
editor.putBoolean(key, value);
editor.commit();
}
private void saveVariable(int numberOfTrue){
SharedPreferences sharedPref = this.getPreferences(Context.MODE_PRIVATE);
SharedPreferences.Editor editor = sharedPref.edit();
editor.putInt("key2", numberOfTrue);
editor.commit();
}
private void loadVariable(){
SharedPreferences sharedPref = this.getPreferences(Context.MODE_PRIVATE);
int number = sharedPref.getInt("key2", 0);
tv1.setText(""+number);
numberOfTrue=number;
}
}