github_33987023的博客

xml version="1.0" encoding="utf-8"?> LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:background="@drawable/white" android:orientation="vertical" and

package com.wzc.ex04; import android.support.v7.app.AppCompatActivity; import android.os.Bundle; import android.view.View; import android.widget.Button; import android.widget.CheckBox; import android

package com.wzc.ex03; import android.support.v7.app.AlertDialog; import android.support.v7.app.AppCompatActivity; import android.os.Bundle; import android.text.Editable; import android.view.View; imp

package com.wzc.ex04_02; import android.support.v7.app.AppCompatActivity; import android.os.Bundle; import android.view.View; import android.widget.Button; import android.widget.ImageButton; import a

package com.wzc.ex04_01; import android.support.v7.app.AppCompatActivity; import android.os.Bundle; import android.view.KeyEvent; import android.view.View; import android.widget.EditText; import andr

package com.wzc.ex03_27; import android.os.Bundle; import android.support.v7.app.AppCompatActivity; import android.view.MotionEvent; import android.view.Window; import android.view.WindowManager; imp

package com.wzc.ex03_22; import android.support.v7.app.AppCompatActivity; import android.os.Bundle; import android.text.method.HideReturnsTransformationMethod; import android.text.method.PasswordTran

package com.wzc.ex03_21; import android.support.v7.app.AppCompatActivity; import android.os.Bundle; public class MainActivity extends AppCompatActivity { @Override protected void onCreate(B

package dreamer.ex03_20; import android.app.AlertDialog; import android.content.DialogInterface; import android.support.v7.app.AppCompatActivity; import android.os.Bundle; import android.view.View; i

package dreamer.ex06; import android.support.v7.app.AppCompatActivity; import android.os.Bundle; import android.widget.RadioButton; import android.widget.RadioGroup; import android.widget.TextView;

package com.wzc.ex03_08; import android.support.v7.app.AppCompatActivity; import android.os.Bundle; import android.view.View; import android.widget.Button; public class MainActivity extends AppCompa

取得手机屏幕大小 DisplayMetrics

置换TextView文字，CharSequence数据类型与Resource ID的应用

更改TextView文字颜色，引用Drawable颜色常数及后台色

android

package com.wzc.ex03_17; import android.content.DialogInterface; import android.support.v7.app.AlertDialog; import android.support.v7.app.AppCompatActivity; import android.os.Bundle; import android.v

Button与TextView的交互 package com.wzc.ex03_12; import android.content.DialogInterface; import android.graphics.Color; import android.support.v4.content.ContextCompat; import android.support.v7.app.Al

1.Layout里就放一个TextView和一个Button 2.package com.wzc.ex03_12; import android.content.DialogInterface; import android.support.v7.app.AlertDialog; import android.support.v7.app.AppCompatActivity; import

1.Activity1 Intent intent = new Intent(); intent.setClass(Actiivyt1.this,Actiivty2.class); Bundle bundle = new Bundle(); bundle.putDouble("double",double); bundle.putString("string",string);

1. xml version="1.0" encoding="utf-8"?> RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_