使用onResume、onStart和onRestart的Android示例
我想要一个示例Android应用程序,它使用onResume、onStart和onRestart;使用onResume、onStart和onRestart的Android示例,android,onresume,Android,Onresume,我想要一个示例Android应用程序,它使用onResume、onStart和onRestart; package com.test; import stuff here public class Pick_Color extends Activity implements OnClickListener { private Button b11; private Button b12; private Button b13;
package com.test;
import stuff here
public class Pick_Color extends Activity implements OnClickListener
{
private Button b11;
private Button b12;
private Button b13;
private Button b14;
private Button b_final;
private EditText RED;
private EditText GREEN;
private EditText BLUE;
static int temp_red;
static int temp_green;
static int temp_blue;
public void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
setContentView(R.layout.pickcolor);
Log.d("pick color","on create");
b11=(Button)findViewById(R.id.buttonR1C1);
b12=(Button)findViewById(R.id.buttonR1C2);
b13=(Button)findViewById(R.id.buttonR1C3);
b14=(Button)findViewById(R.id.buttonR1C4);
b11.setBackgroundColor(Color.argb(255, 255, 255,0));
b12.setBackgroundColor(Color.argb(255, 255, 0,255));
b13.setBackgroundColor(Color.argb(255, 0, 255,255));
b14.setBackgroundColor(Color.argb(255, 102, 153,51));
b11.setOnClickListener(this);
b12.setOnClickListener(this);
b13.setOnClickListener(this);
b14.setOnClickListener(this);
RED=(EditText) findViewById(R.id.RED_TEXT);
GREEN=(EditText) findViewById(R.id.GREEN_TEXT);
BLUE=(EditText) findViewById(R.id.BLUE_TEXT);
RED.setText(Integer.toString(temp_red));
GREEN.setText(Integer.toString(temp_green));
BLUE.setText(Integer.toString(temp_blue));
b_final=(Button)findViewById(R.id.button_result);
b_final.setBackgroundColor(Color.argb(255,temp_red,temp_green,temp_blue));
b_final.setOnClickListener(this);
OnKeyListener text_listener= new OnKeyListener()
{
public boolean onKey(View v, int keyCode, KeyEvent event)
{
int flag=0;
try
{
switch(v.getId())
{
case R.id.RED_TEXT:
flag=1;
temp_red=Integer.parseInt(RED.getText().toString());
if(temp_red<0 || temp_red>255)
throw new NumberFormatException();
// Log.d("Pick_Color","temp_red = "+temp_red);
break;
case R.id.GREEN_TEXT:
flag=2;
temp_green=Integer.parseInt(GREEN.getText().toString());
if(temp_green<0 || temp_green>255)
throw new NumberFormatException();
// Log.d("Pick_Color","temp_green = "+temp_green);
break;
case R.id.BLUE_TEXT:
flag=3;
temp_blue=Integer.parseInt(BLUE.getText().toString());
if(temp_blue<0 || temp_blue>255)
throw new NumberFormatException();
// Log.d("Pick_Color","temp_blue = "+temp_blue);
break;
}
}
catch(NumberFormatException n)
{
if(flag==1)
{
RED.setText("");
Log.d("Pick Color","Red Error");
}
if(flag==2)
{
GREEN.setText("");
Log.d("Pick Color","Green Error");
}
if(flag==3)
{
BLUE.setText("");
Log.d("Pick Color","Blue Error");
}
}
Log.d("Pick Color","temp_red = "+temp_red+" temp_green = "+temp_green+" temp_blue = "+temp_blue+"");
b_final.setBackgroundColor(Color.argb(255,temp_red, temp_green, temp_blue));
return false;
}
};
RED.setOnKeyListener(text_listener);
GREEN.setOnKeyListener(text_listener);
BLUE.setOnKeyListener(text_listener);
}
protected void onResume()
{
super.onResume();
RED.setText(Integer.toString(temp_red));
GREEN.setText(Integer.toString(temp_green));
BLUE.setText(Integer.toString(temp_blue));
b_final.setBackgroundColor(Color.argb(255,temp_red,temp_green,temp_blue));
}
public void onClick(View v)
{
switch (v.getId())
{
// -------------- FIRST ROW --------------
case R.id.buttonR1C1:
RED.setText("255");
GREEN.setText("255");
BLUE.setText("0");
temp_red=Integer.parseInt(RED.getText().toString());
temp_green=Integer.parseInt(GREEN.getText().toString());
temp_blue=Integer.parseInt(BLUE.getText().toString());
b_final.setBackgroundColor(Color.argb(255,255,255,0));
writeColor("Color 255 255 255 0");
break;
case R.id.buttonR1C2:
RED.setText("255");
GREEN.setText("0");
BLUE.setText("255");
temp_red=Integer.parseInt(RED.getText().toString());
temp_green=Integer.parseInt(GREEN.getText().toString());
temp_blue=Integer.parseInt(BLUE.getText().toString());
b_final.setBackgroundColor(Color.argb(255,255,0,255));
writeColor("Color 255 255 0 255");
break;
case R.id.buttonR1C3:
RED.setText("0");
GREEN.setText("255");
BLUE.setText("255");
temp_red=Integer.parseInt(RED.getText().toString());
temp_green=Integer.parseInt(GREEN.getText().toString());
temp_blue=Integer.parseInt(BLUE.getText().toString());
b_final.setBackgroundColor(Color.argb(255,0,255,255));
writeColor("Color 255 0 255 255");
break;
case R.id.buttonR1C4:
RED.setText("102");
GREEN.setText("153");
BLUE.setText("51");
temp_red=Integer.parseInt(RED.getText().toString());
temp_green=Integer.parseInt(GREEN.getText().toString());
temp_blue=Integer.parseInt(BLUE.getText().toString());
b_final.setBackgroundColor(Color.argb(255,102,153,51));
writeColor("Color 255 102 153 51");
break;
case R.id.button_result:
writeColor("Color 255 "+temp_red+" "+temp_green+" "+temp_blue);
finish();
break;
}
}
public void writeColor(String string)
{
TouchList.Current_Color=string;
try
{
TouchList.dos.writeUTF(TouchList.Current_Color);
}
catch (IOException e)
{
e.printStackTrace();
}
}
}
在这里进口东西
公共类Pick_Color扩展活动实现OnClickListener
{
专用按钮b11;
专用按钮b12;
专用按钮b13;
专用按钮b14;
私人按钮b_final;
私人编辑文本红色;
私人编辑文本绿色;
私人编辑文本蓝色;
静态温度;
静态温度;
静态温度;
创建时的公共void(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
setContentView(R.layout.pickcolor);
Log.d(“选择颜色”、“创建时”);
b11=(按钮)findViewById(R.id.buttonR1C1);
b12=(按钮)findViewById(R.id.buttonR1C2);
b13=(按钮)findViewById(R.id.buttonR1C3);
b14=(按钮)findViewById(R.id.buttonR1C4);
b11.setBackgroundColor(Color.argb(255,255,255,0));
b12.setBackgroundColor(Color.argb(255、255、0255));
b13.setBackgroundColor(Color.argb(255,0,255255));
b14.setBackgroundColor(Color.argb(255、102、153、51));
b11.setOnClickListener(此);
b12.setOnClickListener(此);
b13.setOnClickListener(此);
b14.setOnClickListener(此);
红色=(编辑文本)findViewById(R.id.RED\u文本);
绿色=(编辑文本)findViewById(R.id.GREEN\u文本);
蓝色=(编辑文本)findViewById(R.id.BLUE\u文本);
RED.setText(Integer.toString(temp_RED));
GREEN.setText(Integer.toString(temp_GREEN));
BLUE.setText(Integer.toString(temp_BLUE));
b_final=(按钮)findViewById(R.id.Button_结果);
b_最终设置背景颜色(颜色argb(255,淡红色,淡绿色,淡蓝色));
b_final.setOnClickListener(此);
OnKeyListener文本\u listener=新建OnKeyListener()
{
公共布尔onKey(视图v、int keyCode、KeyEvent事件)
{
int标志=0;
尝试
{
开关(v.getId())
{
案例R.id.RED_文本:
flag=1;
temp_red=Integer.parseInt(red.getText().toString());
如果(临时red255)
抛出新的NumberFormatException();
//Log.d(“选择颜色”、“温度红=“+温度红”);
打破
案例R.id.GREEN\u文本:
flag=2;
temp_green=Integer.parseInt(green.getText().toString());
如果(温度为255)
抛出新的NumberFormatException();
//Log.d(“选择颜色”、“温度绿=“+温度绿”);
打破
案例R.id.BLUE\u文本:
flag=3;
temp_blue=Integer.parseInt(blue.getText().toString());
如果(临时蓝色255)
抛出新的NumberFormatException();
//Log.d(“选择颜色”、“温度蓝=“+温度蓝”);
打破
}
}
捕获(数字格式异常n)
{
如果(标志==1)
{
红色。setText(“”);
Log.d(“拾取颜色”、“红色错误”);
}
如果(标志==2)
{
绿色。setText(“”);
Log.d(“拾取颜色”、“绿色错误”);
}
如果(标志==3)
{
蓝色。setText(“”);
Log.d(“拾取颜色”、“蓝色错误”);
}
}
Log.d(“选择颜色”,“临时红色=“+临时红色+”临时绿色=“+临时绿色+”临时蓝色=“+临时蓝色+”);
b_最终设置背景颜色(颜色argb(255,淡红色,淡绿色,淡蓝色));
返回false;
}
};
红色。setOnKeyListener(文本侦听器);
绿色。setOnKeyListener(文本侦听器);
BLUE.setOnKeyListener(文本侦听器);
}
受保护的void onResume()
{
super.onResume();
RED.setText(Integer.toString(temp_RED));
GREEN.setText(Integer.toString(temp_GREEN));
BLUE.setText(Integer.toString(temp_BLUE));
b_最终设置背景颜色(颜色argb(255,淡红色,淡绿色,淡蓝色));
}
公共void onClick(视图v)
{
开关(v.getId())
{
//------第一排--------------
外壳R.id.按钮1C1:
红色。setText(“255”);
绿色.setText(“255”);
蓝色。setText(“0”);
temp_red=Integer.parseInt(red.getText().toString());
temp_green=Integer.parseInt(green.getText().toString());
temp_blue=Integer.parseInt(blue.getText().toString());
b_最终设置背景颜色(Color.argb(255255,0));
writeColor(“颜色255 0”);
打破
外壳R.id.按钮1C2:
红色。setText(“255”);
绿色.setText(“0”);
蓝色。setText(“255”);
temp_red=Integer.parseInt(red.getText().toString());
temp_green=Integer.parseInt(green.getText().toString());
temp_blue=Integer.parseInt(blue.getText().toString());
b_最终设定背景颜色(Color.argb(255255,0255));
writeColor(“颜色255 0 255”);
打破
外壳R.id.按钮1C3:
红色。setText(“0”);
绿色.setText(“255”);
蓝色。setText(“255”);
temp_red=Integer.parseInt(red.getText().toString());
temp_green=Integer.parseInt(green.getText().toString());
temp_blue=Integer.parseInt(blue.getText().toString());
b_final.setBackgroundColor(Color.argb(255,0255255));
writeColor(“颜色255