AndroidStudio记录-获取EditText的数字内容并将该内容转为int型数据

• 1.结果显示
• 2.获取EditText的内容
• 3.转换数据类型
• 4.显示
• 5.代码
• • srcmainresvaluescolors.xml
  • srcmainresvaluesstrings.xml
  • srcmainreslayoutactivity_main.xml
  • MainActivity.java

String str1 = mTestEdt.getText().toString();

int k = Integer.parseInt(str1);

mShowTV.setText(getResources().getString(R.string.tv_show)+ k);

    #87CEEB

	test
    please input the value
    the value of input :

public class MainActivity extends AppCompatActivity {
    private EditText mTestEdt;
    private Button mTestBtn;
    private TextView mShowTV;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        initView();
        mTestBtn.setOnClickListener(new View.OnClickListener() {
            @SuppressLint("SetTextI18n")
            @Override
            public void onClick(View v) {
                // The following two lines of code have to be put here to be useful. Otherwise, the program will crash
                String str1 = mTestEdt.getText().toString();
                int k = Integer.parseInt(str1);
                mShowTV.setText(getResources().getString(R.string.tv_show)+ k);
            }
        });
    }

    private void initView(){
        mTestEdt = (EditText) findViewById(R.id.edt_test);
        mTestBtn = (Button) findViewById(R.id.btn_test);
        mShowTV = (TextView) findViewById(R.id.tv_show);
    }
}