我們時常呼叫自定義的Dialog,若是這些Dialog沒有更動資料,只是單純顯示或消失,建議可以寫到另外的class中
建構元:
private Dialog backDialog,exitDialog;
private Activity activity;
public DialogData(Activity activity){
this.activity = activity;
}
單按鈕對話框
public void showBackDialog(String mes) {
backDialog = new Dialog(activity);
backDialog.setContentView(R.layout.back_dialog_item);
TextView tv_title = backDialog.findViewById(R.id.tv_title);
Button btn_cancel = backDialog.findViewById(R.id.btn_back);
ImageView img_chess_link = backDialog.findViewById(R.id.img_chess_link);
try {
ImageDecoder.Source source = ImageDecoder.createSource(activity.getResources(),R.drawable.chess_link);
Drawable drawable = ImageDecoder.decodeDrawable(source);
img_chess_link.setImageDrawable(drawable);
if(drawable instanceof Animatable){
Animatable animatable = (Animatable) img_chess_link.getDrawable();
animatable.start();
}
}catch (Exception e){
e.printStackTrace();
}
tv_title.setText(mes);
if(!activity.isFinishing()){
btn_cancel.setOnClickListener(v -> {
if(!activity.isFinishing()){
backDialog.dismiss();
activity.finish();
}
});
backDialog.setCancelable(false);
backDialog.setCanceledOnTouchOutside(false);
backDialog.show();
}
}
public void dismissBackDialog(){
if(backDialog != null){
backDialog.dismiss();
}
}
<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="300dp"
android:layout_height="200dp"
android:layout_gravity="center"
android:background="@drawable/brownbackground_grayline">
<ImageView
android:id="@+id/img_chess_link"
android:layout_width="0dp"
android:layout_height="0dp"
android:src="@drawable/chess_link"
app:layout_constraintBottom_toTopOf="@+id/guideline36"
app:layout_constraintEnd_toStartOf="@+id/guideline29"
app:layout_constraintStart_toStartOf="@+id/guideline31"
app:layout_constraintTop_toTopOf="@+id/guideline35" />
<androidx.constraintlayout.widget.Guideline
android:id="@+id/guideline29"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="vertical"
app:layout_constraintGuide_percent="0.6" />
<androidx.constraintlayout.widget.Guideline
android:id="@+id/guideline31"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="vertical"
app:layout_constraintGuide_percent="0.4" />
<androidx.constraintlayout.widget.Guideline
android:id="@+id/guideline35"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="horizontal"
app:layout_constraintGuide_percent="0.1" />
<androidx.constraintlayout.widget.Guideline
android:id="@+id/guideline36"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="horizontal"
app:layout_constraintGuide_percent="0.4" />
<androidx.constraintlayout.widget.Guideline
android:id="@+id/guideline79"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="horizontal"
app:layout_constraintGuide_percent="0.65" />
<androidx.constraintlayout.widget.Guideline
android:id="@+id/guideline82"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="horizontal"
app:layout_constraintGuide_percent="0.95" />
<androidx.constraintlayout.widget.Guideline
android:id="@+id/guideline83"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="horizontal"
app:layout_constraintGuide_percent="0.7" />
<TextView
android:id="@+id/tv_title"
android:layout_width="0dp"
android:layout_height="0dp"
android:background="@drawable/brownline"
android:gravity="center"
android:text=""
android:textColor="@color/black"
android:textStyle="bold"
app:layout_constraintBottom_toTopOf="@+id/guideline79"
app:layout_constraintEnd_toStartOf="@+id/guideline91"
app:layout_constraintStart_toStartOf="@+id/guideline28"
app:layout_constraintTop_toTopOf="@+id/guideline36" />
<Button
android:id="@+id/btn_back"
android:layout_width="0dp"
android:layout_height="0dp"
android:background="@drawable/redbackground_blackline"
android:text="退出"
android:textColor="@color/white"
android:textStyle="bold"
android:gravity="center"
app:backgroundTint="@null"
app:layout_constraintBottom_toTopOf="@+id/guideline82"
app:layout_constraintEnd_toStartOf="@+id/guideline91"
app:layout_constraintStart_toStartOf="@+id/guideline28"
app:layout_constraintTop_toTopOf="@+id/guideline83" />
<androidx.constraintlayout.widget.Guideline
android:id="@+id/guideline28"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="vertical"
app:layout_constraintGuide_percent="0.1" />
<androidx.constraintlayout.widget.Guideline
android:id="@+id/guideline91"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="vertical"
app:layout_constraintGuide_percent="0.9" />
</androidx.constraintlayout.widget.ConstraintLayout>
2個按鈕對話框
public void showExitDialog(String mes,String leftText,String rightText){
exitDialog = new Dialog(activity);
exitDialog.setContentView(R.layout.exit_dialog_item);
TextView tv_title = exitDialog.findViewById(R.id.tv_title);
Button btn_left = exitDialog.findViewById(R.id.btn_left);
Button btn_right = exitDialog.findViewById(R.id.btn_right);
ImageView img_chess_setting = exitDialog.findViewById(R.id.img_door);
btn_left.setText(leftText);
btn_right.setText(rightText);
try {
ImageDecoder.Source source = ImageDecoder.createSource(activity.getResources(),R.drawable.door);
Drawable drawable = ImageDecoder.decodeDrawable(source);
img_chess_setting.setImageDrawable(drawable);
if(drawable instanceof Animatable){
Animatable animatable = (Animatable) img_chess_setting.getDrawable();
animatable.start();
}
}catch (Exception e){
e.printStackTrace();
}
tv_title.setText(mes);
btn_right.setOnClickListener(v -> {
if(!activity.isFinishing()){
exitDialog.dismiss();
}
});
btn_left.setOnClickListener(v -> {
if(!activity.isFinishing()){
exitDialog.dismiss();
activity.finish();
}
});
exitDialog.setCancelable(false);
exitDialog.setCanceledOnTouchOutside(false);
exitDialog.show();
}
public void dismissExitDialog(){
if(exitDialog != null){
exitDialog.dismiss();
}
}
<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:layout_width="300dp"
android:layout_height="200dp"
android:layout_gravity="center"
android:background="@drawable/brownbackground_grayline">
<androidx.constraintlayout.widget.Guideline
android:id="@+id/guideline80"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="horizontal"
app:layout_constraintGuide_percent="0.35" />
<androidx.constraintlayout.widget.Guideline
android:id="@+id/guideline81"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="horizontal"
app:layout_constraintGuide_percent="0.65" />
<androidx.constraintlayout.widget.Guideline
android:id="@+id/guideline118"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="horizontal"
app:layout_constraintGuide_percent="0.95" />
<androidx.constraintlayout.widget.Guideline
android:id="@+id/guideline119"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="horizontal"
app:layout_constraintGuide_percent="0.7" />
<TextView
android:id="@+id/tv_title"
android:layout_width="0dp"
android:layout_height="0dp"
android:background="@drawable/brownline"
android:gravity="center"
android:text=""
android:textColor="@color/black"
android:textStyle="bold"
app:layout_constraintBottom_toTopOf="@+id/guideline81"
app:layout_constraintEnd_toStartOf="@+id/guideline130"
app:layout_constraintStart_toStartOf="@+id/guideline120"
app:layout_constraintTop_toTopOf="@+id/guideline80" />
<Button
android:id="@+id/btn_right"
android:layout_width="0dp"
android:layout_height="0dp"
android:background="@drawable/redbackground_blackline"
android:text=""
android:textColor="@color/white"
android:textStyle="bold"
android:gravity="center"
app:backgroundTint="@null"
app:layout_constraintBottom_toTopOf="@+id/guideline118"
app:layout_constraintEnd_toStartOf="@+id/guideline130"
app:layout_constraintStart_toStartOf="@+id/guideline131"
app:layout_constraintTop_toTopOf="@+id/guideline119" />
<androidx.constraintlayout.widget.Guideline
android:id="@+id/guideline120"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="vertical"
app:layout_constraintGuide_percent="0.1" />
<androidx.constraintlayout.widget.Guideline
android:id="@+id/guideline130"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="vertical"
app:layout_constraintGuide_percent="0.9" />
<androidx.constraintlayout.widget.Guideline
android:id="@+id/guideline131"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="vertical"
app:layout_constraintGuide_percent="0.5" />
<Button
android:id="@+id/btn_left"
android:layout_width="0dp"
android:layout_height="0dp"
android:background="@drawable/redbackground_blackline"
android:text=""
android:textColor="@color/white"
android:textStyle="bold"
android:gravity="center"
app:backgroundTint="@null"
app:layout_constraintBottom_toTopOf="@+id/guideline118"
app:layout_constraintEnd_toStartOf="@+id/guideline131"
app:layout_constraintStart_toStartOf="@+id/guideline120"
app:layout_constraintTop_toTopOf="@+id/guideline119" />
<androidx.constraintlayout.widget.Guideline
android:id="@+id/guideline132"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="horizontal"
app:layout_constraintGuide_percent="0.05" />
<androidx.constraintlayout.widget.Guideline
android:id="@+id/guideline133"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="vertical"
app:layout_constraintGuide_percent="0.4" />
<androidx.constraintlayout.widget.Guideline
android:id="@+id/guideline134"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="vertical"
app:layout_constraintGuide_percent="0.6" />
<ImageView
android:id="@+id/img_door"
android:layout_width="0dp"
android:layout_height="0dp"
android:src="@drawable/door"
app:layout_constraintBottom_toTopOf="@+id/guideline80"
app:layout_constraintEnd_toStartOf="@+id/guideline134"
app:layout_constraintStart_toStartOf="@+id/guideline133"
app:layout_constraintTop_toTopOf="@+id/guideline132" />
</androidx.constraintlayout.widget.ConstraintLayout>
其中我們使用到將.gif檔嵌入的方法,需要先在drawable中加入.gif檔
加入後我們就可在ImageView中設置src,並在程式碼中加入:
try {
ImageDecoder.Source source = ImageDecoder.createSource(activity.getResources(),R.drawable.door);
Drawable drawable = ImageDecoder.decodeDrawable(source);
img_chess_setting.setImageDrawable(drawable);
if(drawable instanceof Animatable){
Animatable animatable = (Animatable) img_chess_setting.getDrawable();
animatable.start();
}
}catch (Exception e){
e.printStackTrace();
}
這樣就可以讓.gif檔動起來了