安卓课程二十七 SharedPreference共享参数

存放参数实例源码

public void onClick(View v) {
		String name = nameText.getText().toString();
		String age = ageText.getText().toString();
		SharedPreferences preferences = getSharedPreferences("itcast",
				Context.MODE_WORLD_READABLE);
		Editor editor = preferences.edit();
		editor.putString("name", name);
		editor.putInt("age", new Integer(age));
		editor.commit();
		Toast.makeText(MainActivity.this, R.string.success, 1).show();
	}

 读取参数实例源码

public void onClick(View v) {
		SharedPreferences preferences = getSharedPreferences("itcast",
				Context.MODE_PRIVATE);
		String name = preferences.getString("name", "");
		int age = preferences.getInt("age", 20);
		nameText.setText(name);
		ageText.setText(String.valueOf(age));
	}