今天完成内容:
1.学习android
package
com.example.test;
import
android.app.Activity;
import
android.app.ActionBar;
import
android.app.Fragment;
import
android.content.Intent;
import
android.os.Bundle;
import
android.os.Handler;
import
android.view.Gravity;
import
android.view.LayoutInflater;
import
android.view.Menu;
import
android.view.MenuItem;
import
android.view.View;
import
android.view.View.OnClickListener;
import
android.view.ViewGroup;
import
android.widget.Button;
import
android.widget.EditText;
import
android.widget.ImageView;
import
android.widget.LinearLayout;
import
android.widget.TextView;
import
android.widget.Toast;
import
android.os.Build;
public
class
MainActivity
extends
Activity
implements
OnClickListener {
Handler handler =
new
Handler();
@Override
public
void
onCreate(Bundle savedInstanceState) {
super
.onCreate(savedInstanceState);
setContentView(R.layout.main);
findViewById(R.id.btnSimpleToast).setOnClickListener(
this
);
findViewById(R.id.btnSimpleToastWithCustomPosition).setOnClickListener(
this
);
findViewById(R.id.btnSimpleToastWithImage).setOnClickListener(
this
);
findViewById(R.id.btnCustomToast).setOnClickListener(
this
);
findViewById(R.id.btnRunToastFromOtherThread).setOnClickListener(
this
);
}
public
void
showToast() {
handler.post(
new
Runnable() {
@Override
public
void
run() {
Toast.makeText(getApplicationContext(),
"我来自其他线程!"
,
Toast.LENGTH_SHORT).show();
}
});
}
@Override
public
void
onClick(View v) {
Toast toast =
null
;
switch
(v.getId()) {
case
R.id.btnSimpleToast:
Toast.makeText(getApplicationContext(),
"默认Toast样式"
,
Toast.LENGTH_SHORT).show();
break
;
case
R.id.btnSimpleToastWithCustomPosition:
toast = Toast.makeText(getApplicationContext(),
"自定义位置Toast"
,
Toast.LENGTH_LONG);
toast.setGravity(Gravity.CENTER,
0
,
0
);
toast.show();
break
;
case
R.id.btnSimpleToastWithImage:
toast = Toast.makeText(getApplicationContext(),
"带图片的Toast"
,
Toast.LENGTH_LONG);
toast.setGravity(Gravity.CENTER,
0
,
0
);
LinearLayout toastView = (LinearLayout) toast.getView();
ImageView imageCodeProject =
new
ImageView(getApplicationContext());
imageCodeProject.setImageResource(R.drawable.ic_launcher);
toastView.addView(imageCodeProject,
0
);
toast.show();
break
;
case
R.id.btnCustomToast:
LayoutInflater inflater = getLayoutInflater();
View layout = inflater.inflate(R.layout.custom,
(ViewGroup) findViewById(R.id.llToast));
ImageView image = (ImageView) layout
.findViewById(R.id.tvImageToast);
image.setImageResource(R.drawable.ic_launcher);
TextView title = (TextView) layout.findViewById(R.id.tvTitleToast);
title.setText(
"Attention"
);
TextView text = (TextView) layout.findViewById(R.id.tvTextToast);
text.setText(
"完全自定义Toast"
);
toast =
new
Toast(getApplicationContext());
toast.setGravity(Gravity.RIGHT | Gravity.TOP,
12
,
40
);
toast.setDuration(Toast.LENGTH_LONG);
toast.setView(layout);
toast.show();
break
;
case
R.id.btnRunToastFromOtherThread:
new
Thread(
new
Runnable() {
public
void
run() {
showToast();
}
}).start();
break
;
}
}
}
2.看视频
遇到问题:
无
明日目标:
学习Android studio的开发