在用到支付类或者验证类app时,都有一个简密的输入框。百度了下有个不错的帖子,点击打开链接
不过自己也写了个简单的类似的。
懒得运行,直接截layout.xml的效果图先。
布局文件
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< RelativeLayout xmlns:android = "http://schemas.android.com/apk/res/android"
android:layout_width = "fill_parent"
android:layout_height = "wrap_content"
android:background = "#ffffff"
android:paddingBottom = "20dp"
android:paddingTop = "30dp" >
< TextView
android:id = "@+id/txtTitle"
android:layout_width = "wrap_content"
android:layout_height = "wrap_content"
android:layout_centerHorizontal = "true"
android:text = "请输入验证码"
android:textStyle = "bold"
android:textSize = "22sp" />
< LinearLayout
android:id = "@+id/layout"
android:layout_width = "wrap_content"
android:layout_height = "wrap_content"
android:layout_below = "@+id/txtTitle"
android:layout_centerHorizontal = "true"
android:layout_marginTop = "10dp"
android:orientation = "horizontal" >
< TextView
android:id = "@+id/t1"
android:layout_width = "wrap_content"
android:layout_height = "wrap_content"
android:background = "@drawable/i1"
android:gravity = "center"
android:inputType = "number"
android:lines = "1"
android:maxLines = "1" />
< TextView
android:id = "@+id/t2"
android:layout_width = "wrap_content"
android:layout_height = "wrap_content"
android:background = "@drawable/i1"
android:gravity = "center"
android:inputType = "number"
android:lines = "1"
android:maxLines = "1" />
< TextView
android:id = "@+id/t3"
android:layout_width = "wrap_content"
android:layout_height = "wrap_content"
android:background = "@drawable/i1"
android:gravity = "center"
android:inputType = "number"
android:lines = "1"
android:maxLines = "1" />
< TextView
android:id = "@+id/t4"
android:layout_width = "wrap_content"
android:layout_height = "wrap_content"
android:background = "@drawable/i2"
android:gravity = "center"
android:inputType = "number"
android:lines = "1"
android:maxLines = "1" />
</ LinearLayout >
< EditText
android:id = "@+id/editHide"
android:layout_width = "wrap_content"
android:layout_height = "wrap_content"
android:layout_alignBottom = "@+id/layout"
android:layout_alignLeft = "@+id/layout"
android:layout_alignRight = "@+id/layout"
android:layout_alignTop = "@+id/layout"
android:layout_weight = "1"
android:background = "#00000000"
android:cursorVisible = "false"
android:ems = "10"
android:inputType = "number"
android:maxLength = "4"
android:textColor = "#00000000" />
< LinearLayout
android:layout_width = "wrap_content"
android:layout_height = "wrap_content"
android:layout_below = "@+id/layout"
android:layout_centerHorizontal = "true"
android:layout_marginTop = "20dp" >
< Button
android:id = "@+id/verifycode_ok"
android:layout_width = "wrap_content"
android:layout_height = "wrap_content"
android:background = "#fa8d70"
android:layout_marginRight = "30dp"
android:textColor = "#ffffff"
android:text = "确定" />
< Button
android:id = "@+id/verifycode_cancel"
android:layout_width = "wrap_content"
android:layout_height = "wrap_content"
android:layout_marginLeft = "30dp"
android:background = "@color/index_time_but"
android:textColor = "#ffffff"
android:text = "取消" />
</ LinearLayout >
</ RelativeLayout >
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代码:
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import android.app.Activity;
import android.os.Bundle;
import android.text.Editable;
import android.text.TextWatcher;
import android.widget.EditText;
import android.widget.TextView;
public class MainActivity extends Activity {
TextView t1, t2, t3, t4, et;
String key = "" ;
@Override
protected void onCreate(Bundle savedInstanceState) {
super .onCreate(savedInstanceState);
setContentView(R.layout.verifycode);
t1 = (TextView) findViewById(R.id.t1);
t2 = (TextView) findViewById(R.id.t2);
t3 = (TextView) findViewById(R.id.t3);
t4 = (TextView) findViewById(R.id.t4);
et = (EditText) findViewById(R.id.editText1);
et.addTextChangedListener(tw);
}
void setKey() {
char [] arr = key.toCharArray();
t1.setText( "" );
t2.setText( "" );
t3.setText( "" );
t4.setText( "" );
for ( int i = 0 ; i < arr.length; i++) {
if (i == 0 ) {
t1.setText(String.valueOf(arr[ 0 ]));
} else if (i == 1 ) {
t2.setText(String.valueOf(arr[ 1 ]));
} else if (i == 2 ) {
t3.setText(String.valueOf(arr[ 2 ]));
} else if (i == 3 ) {
t4.setText(String.valueOf(arr[ 3 ]));
}
}
}
TextWatcher tw = new TextWatcher() {
@Override
public void onTextChanged(CharSequence s, int start, int before,
int count) {
}
@Override
public void beforeTextChanged(CharSequence s, int start, int count,
int after) {
}
@Override
public void afterTextChanged(Editable s) {
key = s.toString();
setKey();
}
};
}
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好哒,就这样了,运行就有效果了。没有什么自定义,没有什么第三方。
当然。如果你要弹窗形式的话,也一样,加下面的就能弹窗了
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final AlertDialog dialog = new AlertDialog.Builder(mContext).create();
dialog.show();
dialog.getWindow().setContentView(R.layout.verifycode);t1 = (TextView) dialog.findViewById(R.id.t1);
t2 = (TextView) dialog.findViewById(R.id.t2);
t3 = (TextView) dialog.findViewById(R.id.t3);
t4 = (TextView) dialog.findViewById(R.id.t4);
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后期有时间再补上项目DOME。
以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持服务器之家。
原文链接:https://blog.csdn.net/yaya_soft/article/details/44307847