Android SharePreferences读出和写入数据测试
代码说明:
Android SharePreferences读出和写入数据测试: super.onCreate(savedInstanceState); setContentView(R.layout.main); preferences = getSharedPreferences("myPreference", MODE_PRIVATE); editor = preferences.edit(); writeBtn = (Button)findViewById(R.id.write); readBtn = (Button)findViewById(R.id.read); edit = (EditText)findViewById(R.id.edit); writeBtn.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { SimpleDateFormat sdf = new SimpleDateFormat("yyyy年MM月dd日"); editor.putString("time", sdf.format(new Date())); editor.putInt("random", (int)(Math.random()*100)); editor.commit(); } }); readBtn.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { String date = preferences.getString("time", null); int radom = preferences.getInt("random", 0); edit.setText(date + " " + radom ); Toast.makeText(SharePreferencesSampleActivity.this, "时间为:" + date + " 随机数:" + radom , Toast.LENGT
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