package com.example.sharepreferencetest;
import android.content.Context;
import android.content.SharedPreferences;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.Button;
public class MainActivity extends AppCompatActivity {
private static final String TAG = "MainActivity";
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
Button button = (Button) findViewById(R.id.button);
button.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
SharedPreferences.Editor edit = getSharedPreferences(
"data", MODE_PRIVATE
).edit();
edit.putString("name", "张三");
edit.putInt("age", 15);
edit.putBoolean("old", false);
edit.apply();
}
});
Button getBut = (Button) findViewById(R.id.get_data);
getBut.setOnClickListener(
new View.OnClickListener() {
@Override
public void onClick(View v) {
SharedPreferences pref = getSharedPreferences("data", MODE_PRIVATE);
String name = pref.getString("name", null);
int age = pref.getInt("age", 0);
boolean old = pref.getBoolean("old", false);
Log.d(TAG, "onClick: " + name);
// Toast.makeText(context, name + " " + age + " " + old, Toast.LENGTH_LONG).show();
}
});
}
}