一个android应用,先保存用户的手机号、确认网络连接打开、GPS打开,然后跟远程服务器建立连接,自己GPS定位。
保存用户的手机号、提示打开网络连接、提示打开GPS,用了3个Dialog。在Activity的onCreate()方法里面先判断前面3个条件是否满足,不满足就显示Dialog,为了不让3个Dialog挤在一起,用了下面的代码:public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
if((myPhoneNumber = getMyPhoneNumber()) == null){
showDialog(DIALOG_MY_PHONE_NUMBER);
} else if (!isNetworkConnected()){
showDialog(DIALOG_NETWORK);
} else if (!locationManager.isProviderEnabled(LocationManager.GPS_PROVIDER)) {
showDialog(DIALOG_GPS);
} else {
……
//跟远程服务器建立连接
//GPS定位
……
}
}
Dialog定义在@Override
protected Dialog onCreateDialog(int id){
Dialog dialog = null;
switch(id){
case DIALOG_MY_PHONE_NUMBER:
LayoutInflater factory = LayoutInflater.from(MainActivity.this);
final View dialogView = factory.inflate(R.layout.phone_number_dialog, (ViewGroup)findViewById(R.id.layout_root));
dialog = new AlertDialog.Builder(MainActivity.this)
.setTitle("手机号码设置")
.setView(dialogView)
.setPositiveButton("设置", new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
EditText text = (EditText)dialogView.findViewById(R.id.my_phone_number);
SharedPreferences settings = getPreferences(MODE_PRIVATE);
SharedPreferences.Editor editor = settings.edit();
editor.putString("myPhoneNumber", text.getText().toString());
editor.commit();
Intent intent = new Intent();
intent.setClass(MainActivity.this, MainActivity.class);
MainActivity.this.startActivity(intent);
}
}).setNegativeButton("取消", new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
MainActivity.this.finish();
}
})
.create();
break;
case DIALOG_NETWORK:
dialog = new AlertDialog.Builder(MainActivity.this)
.setTitle("网络设置提示")
.setMessage("网络连接不可用,是否进行设置?")
.setPositiveButton("设置", new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
Intent intent = null;
//判断手机系统的版本 即API大于10 就是3.0或以上版本
if(android.os.Build.VERSION.SDK_INT > 10){
intent = new Intent(android.provider.Settings.ACTION_WIRELESS_SETTINGS);
}else{
intent = new Intent();
ComponentName component = new ComponentName("com.android.settings","com.android.settings.WirelessSettings");
intent.setComponent(component);
intent.setAction("android.intent.action.VIEW");
}
MainActivity.this.startActivity(intent);
}
}).setNegativeButton("取消", new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
MainActivity.this.finish();
}
})
.create();
break;
case DIALOG_GPS:
dialog = new AlertDialog.Builder(MainActivity.this)
.setTitle("GPS设置提示")
.setMessage("GPS不可用,是否进行设置?")
.setPositiveButton("设置", new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
Intent callGPSSettingIntent = new Intent(android.provider.Settings.ACTION_LOCATION_SOURCE_SETTINGS);
MainActivity.this.startActivity(callGPSSettingIntent);
}
})
.setNegativeButton("取消", new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
MainActivity.this.finish();
}
})
.create();
break;
default:
dialog = null;
}
return dialog;
}
我希望每一个Dialog的事情处理完以后,重新启动Activity,重新判断3个条件是否满足。第一个Dialog点“设置”按钮后可以重新启动Activity,后面两个Dialog启动了新的Activity,从新的Activity回来的时候,不知道怎样才能重新启动原来的Activity,请大家给个思路。谢谢。
保存用户的手机号、提示打开网络连接、提示打开GPS,用了3个Dialog。在Activity的onCreate()方法里面先判断前面3个条件是否满足,不满足就显示Dialog,为了不让3个Dialog挤在一起,用了下面的代码:public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
if((myPhoneNumber = getMyPhoneNumber()) == null){
showDialog(DIALOG_MY_PHONE_NUMBER);
} else if (!isNetworkConnected()){
showDialog(DIALOG_NETWORK);
} else if (!locationManager.isProviderEnabled(LocationManager.GPS_PROVIDER)) {
showDialog(DIALOG_GPS);
} else {
……
//跟远程服务器建立连接
//GPS定位
……
}
}
Dialog定义在@Override
protected Dialog onCreateDialog(int id){
Dialog dialog = null;
switch(id){
case DIALOG_MY_PHONE_NUMBER:
LayoutInflater factory = LayoutInflater.from(MainActivity.this);
final View dialogView = factory.inflate(R.layout.phone_number_dialog, (ViewGroup)findViewById(R.id.layout_root));
dialog = new AlertDialog.Builder(MainActivity.this)
.setTitle("手机号码设置")
.setView(dialogView)
.setPositiveButton("设置", new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
EditText text = (EditText)dialogView.findViewById(R.id.my_phone_number);
SharedPreferences settings = getPreferences(MODE_PRIVATE);
SharedPreferences.Editor editor = settings.edit();
editor.putString("myPhoneNumber", text.getText().toString());
editor.commit();
Intent intent = new Intent();
intent.setClass(MainActivity.this, MainActivity.class);
MainActivity.this.startActivity(intent);
}
}).setNegativeButton("取消", new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
MainActivity.this.finish();
}
})
.create();
break;
case DIALOG_NETWORK:
dialog = new AlertDialog.Builder(MainActivity.this)
.setTitle("网络设置提示")
.setMessage("网络连接不可用,是否进行设置?")
.setPositiveButton("设置", new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
Intent intent = null;
//判断手机系统的版本 即API大于10 就是3.0或以上版本
if(android.os.Build.VERSION.SDK_INT > 10){
intent = new Intent(android.provider.Settings.ACTION_WIRELESS_SETTINGS);
}else{
intent = new Intent();
ComponentName component = new ComponentName("com.android.settings","com.android.settings.WirelessSettings");
intent.setComponent(component);
intent.setAction("android.intent.action.VIEW");
}
MainActivity.this.startActivity(intent);
}
}).setNegativeButton("取消", new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
MainActivity.this.finish();
}
})
.create();
break;
case DIALOG_GPS:
dialog = new AlertDialog.Builder(MainActivity.this)
.setTitle("GPS设置提示")
.setMessage("GPS不可用,是否进行设置?")
.setPositiveButton("设置", new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
Intent callGPSSettingIntent = new Intent(android.provider.Settings.ACTION_LOCATION_SOURCE_SETTINGS);
MainActivity.this.startActivity(callGPSSettingIntent);
}
})
.setNegativeButton("取消", new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
MainActivity.this.finish();
}
})
.create();
break;
default:
dialog = null;
}
return dialog;
}
我希望每一个Dialog的事情处理完以后,重新启动Activity,重新判断3个条件是否满足。第一个Dialog点“设置”按钮后可以重新启动Activity,后面两个Dialog启动了新的Activity,从新的Activity回来的时候,不知道怎样才能重新启动原来的Activity,请大家给个思路。谢谢。
Lz这样设计的思想,不易于用户体验 站在用户的角度上来讲 如果用户3个都没打开 你岂不是要练成弹出3次 并且需设置3次 思路如下:另外单独写一个方法 来check各种调节 方法名可以取checkVaxxx建议只做成1个提示信息,提示信息中说明需要设置的选项 有一个设置和取消按钮 用户点击设置时 直接将需要勾 GPS设置、网络设置 选勾选上 跳转到手机号码设置 如果用户设置了手机号码成功 ok了
如果用户跳转到设置手机号码,又不想设置了 那么还原设置项即可
我的思路仅供参考 还有很大的不足 待改进~~~~